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  • 3Opportunity cost

    Opportunitycostisanimportantconceptfordecisionmakingpurposes.Itisthevalueofthebestalternativethatisforegonewhenaparticularcourseofactionisundertaken.Itemphasisesthatdecisionsareconcernedwithchoicesandthatbychoosingoneplan,theremaywellbesacrificeselsewhereinthebusiness.

    Acompanywhichmanufacturesandsellsonesingleproductiscurrentlyoperatingat85%offullcapacity,producing102,000unitspermonth.Thecurrenttotalmonthlycostsofproductionamountto330,000,ofwhich75,000arefixedandareexpectedtoremainunchangedforalllevelsofactivityuptofullcapacity.

    Anewpotentialcustomerhasexpressedinterestintakingregularmonthlydeliveryof12,000unitsatapriceof2.80perunit.

    Allexistingproductionissoldeachmonthatapriceof3.25perunit.Ifthenewbusinessisaccepted,existingsalesareexpectedtofallby2unitsforevery15unitssoldtothenewcustomer.

    What is the overall increase in monthly profit which would result from accepting the new business?

    4The relevant cost of materials

    Make or buy and other short-term decisions

    166 KAPLAN PUBLISHING

    Test your understanding 1 Opportunity cost

  • Anyhistoriccostgivenformaterialsisalways a sunk costandnever relevantunlessithappenstobethesameasthecurrentpurchaseprice.

    5The relevant cost of labour

    6Make versus buy Making the decision on financial grounds

    Aproductshouldbemadeinhouseiftherelevantcostofmakingtheproductinhouseislessthanthecostofbuyingtheproductexternally.

    Spare capacity exists

    Unlessstatedotherwiseinthequestion,itshouldbeassumedthatthereissparecapacity.

    No spare capacity exists

    Therelevantcostofmakingtheproductinhouse=thevariablecostofinternalmanufactureplusanyfixedcostsdirectlyrelatedtothatproduct.

    Therelevantcostofmakingtheproductinhouse=thevariablecostofinternalmanufactureplusanyfixedcostsdirectlyrelatedtothatproductplustheopportunitycostofinternalmanufacture(e.g.lostcontributionfromanotherproduct).

    chapter 6

    KAPLAN PUBLISHING 167

  • Afactorysentiremachinecapacityisusedtoproduceessentialcomponents.Theproductioncostsofusingthemachinesareasfollows.

    Ifallcomponentproductionwasoutsourced,thenthemachinescouldbeusedtoproduceotheritemsthatwouldgenerateadditionalcontributionof$50,000. Assumethefixedcostswillstillbeincurredifproductionisoutsourced.

    Whatisthemaximumpricethatthecompanyshouldbewillingtopaytotheoutsidesupplierforthecomponents?

    $ Variable 30,000Fixed 50,000

    Total 80,000

    RobustLtdmakesfourcomponentsA,B,CandDandtheassociatedannualcostsareasfollows:

    A B C DProductionvolume(units) 1,500 3,000 5,0007,000Unitvariablecosts $ $ $ $Directmaterials 4 4 5 5Directlabour 8 8 6 6Variableproductionoverheads 2 1 4 5

    Total 14 13 15 16Fixedcostsdirectlyattributableare: 3,000 6,00010,0007,000Theunitpricesofanexternalsupplierare: 12 16 20 24

    Determine whether any of the components should be bought in from the external supplier.

    Make or buy and other short-term decisions

    168 KAPLAN PUBLISHING

    Test your understanding 2

    Illustration 1 Make or buy

    Solution

  • Other issues to consider

    Inadditiontotherelativecostofbuyingexternallycomparedtomakinginhouse,managementmustconsideranumberofotherissuesbeforeafinaldecisionismade.

    Reliability of external supplier: cantheoutsidecompanybereliedupontomeettherequirementsintermsof: quantityrequired

    qualityrequired

    deliveringontime

    pricestability

    Specialist skills:theexternalsuppliermaypossesssomespecialistskillsthatarenotavailableinhouse.

    Alternative use of resource: outsourcingwillfreeupresourceswhichmaybeusedinanotherpartofthebusiness.

    Social: willoutsourcingresultinareductionoftheworkforce?Redundancycostsshouldbeconsidered.

    Legal: willoutsourcingaffectcontractualobligationswithsuppliersoremployees?

    Confidentiality: isthereariskoflossofconfidentiality,especiallyiftheexternalsupplierperformssimilarworkforrivalcompanies.

    Customer reaction: docustomersattachimportancetotheproductsbeingmadeinhouse?

    KRSLtdisconsideringwhethertoadministeritsownpurchaseledgerortouseanexternalaccountingservice.Ithasobtainedthefollowingcostestimatesforeachoption:

    Internal service department

    Cost VolumePurchasehardware/software $320paHardware/softwaremaintenance $750paAccountingstationery $500paParttimeaccountclerk $6,000paExternal servicesProcessingofinvoices/creditnotes $0.50perdocument 5,000paProcessingofchequepayments $0.50percheque 4,000paReconcilingsupplieraccounts $2.00persupplier

    permonth 150suppliers

    chapter 6

    KAPLAN PUBLISHING 169

    Test your understanding 3 Additional question on make vs buy

  • Determine the cost effectiveness of outsourcing the accounting activities and identify the qualitative factors involved.

    7Shutdown decisions

    Partofabusiness,forexampleadepartmentoraproduct,mayappeartobeunprofitable.Thebusinessmayhavetomakeadecisionastowhetherornotthisareashouldbeshutdown.

    The quantifiable cost or benefit of closure

    Therelevantcashflowsassociatedwithclosureshouldbeconsidered. Forexample:

    Iftherelevantbenefitsaregreaterthantherelevantcostsofclosurethenclosuremayoccur. However,beforeafinaldecisionismadethebusinessshouldalsoconsiderthenonquantifiablefactorsdiscussedbelow.

    Nonquantifiable costs and benefits of closure

    thelostcontributionfromtheareathatisbeingclosed(=relevantcostofclosure)

    savingsinspecificfixedcostsfromclosure(=relevantbenefitofclosure) knownpenaltiesandothercostsresultingfromtheclosure,e.g.

    redundancy,compensationtocustomers(=relevantcostofclosure)

    anyknownreorganisationcosts(=relevantcostofclosure) anyknownadditionalcontributionfromthealternativeuseforresources

    released(=relevantbenefitofclosure).

    Someofthecostsandbenefitsdiscussedabovemaybenonquantifiableatthepointofmakingtheshutdowndecision: penaltiesandothercostsresultingfromtheclosure(e.g.

    redundancy,compensationtocustomers)maynotbeknownwithcertainty.

    reorganisationcostsmaynotbeknownwithcertainty.

    additionalcontributionfromthealternativeuseforresourcesreleasedmaynotbeknownwithcertainty

    Knockonimpactoftheshutdowndecision. Forexample,supermarketsoftenstocksomegoodswhichtheysellataloss.Thisistogetcustomersthroughthedoor,whotheythenhopewillpurchaseotherproductswhichhavehigherprofitmarginsforthem. Ifthedecisionistakentostopsellingtheseproducts,thenthecustomersmaynolongercometothestore.

    Make or buy and other short-term decisions

    170 KAPLAN PUBLISHING

  • ThemanagementofFionaCoisconsideringtheclosureofoneofitsoperations,department3,andthefinancialaccountanthassubmittedthefollowingreport.

    Additionalinformation:

    Asmanagementaccountant,youfurtherascertainthat,onacostdriverbasis:

    Department 1 2 3 TotalSales(units) 5,000 6,000 2,000 13,000

    Sales($) 150,000 240,000 24,000 414,000Costofsales($)Directmaterial 75,000 150,000 10,000 235,000Directlabour 25,000 30,000 8,000 63,000Productionoverhead 5,769 6,923 2,308 15,000

    Grossprofit($) 44,231 53,077 3,692 101,000Expenses($) 15,384 18,461 6,155 40,000

    Netprofit($) 28,847 34,616 (2,463) 61,000

    productionoverheadsof$15,000havebeenapportionedtothethreedepartmentsonthebasisofunitsalesvolume

    expensesareheadofficeoverheads,againapportionedtodepartmentsonsalesvolume.

    50%oftheproductionoverheadscanbedirectlytracedtodepartmentsandsocouldbeallocatedonthebasis2:2:1.

    Similarly60%oftheexpensescanbeallocated3:3:2,withtheremaindernotbeingpossibletoallocate.

    80%ofthesocalleddirectlabourisfixedandcannotbereadilyallocated. Theremaining20%isvariableandcanbebetterallocatedonthebasisofsalesvolume.

    (a) Restatethefinancialpositionintermsofthecontributionmadebyeachdepartmentand,basedonthesefigures,makeaclearrecommendation.

    (b) Discussanyotherfactorsthatshouldbeconsideredbeforeafinaldecisionismade.

    chapter 6

    KAPLAN PUBLISHING 171

    Test your understanding 4

  • 8Oneoff contracts

    Whenabusinessispresentedwithaoneoffcontract,itshouldapplyrelevantcostingprinciplestoestablishthecashflowsassociatedwiththeproject.

    Theminimumcontractprice=thetotaloftherelevantcashflowsassociatedwiththecontract.

    Ifthecontractpricedoesnotcoverthesecashflowsthenitshouldberejected.

    MrSmithhasbeenaskedtoquoteapriceforaspecialcontract.Hehasalreadypreparedhistenderbuthasaskedyoutoreviewitforhim.

    Hehaspointedouttoyouthathewantstoquotetheminimumpriceashebelievesthiswillleadtomorelucrativeworkinthefuture.

    Mr Smiths tender

    $Material: A2,000kgs@$10perkg 20,000

    B1,000kgs@$15perkg 15,000C500kgs@$40perkg 20,000D50litres@$12perlitre 600

    Labour: Skilled1,000hrs@$25perhr 25,000Semiskilled2,000hrs@$15perhr

    30,000

    Unskilled,500hrs@$10perhr 5,000Fixedoverheads3,500hrs@$12perhr 42,000Costsofpreparingthetender:MrSmith'stime 1,000otherexpenses 500Minimumprofit(5%oftotalcosts)

    7,725

    Minimumtenderprice 166,825

    Make or buy and other short-term decisions

    172 KAPLAN PUBLISHING

    Test your understanding 5

    Additional example on shutdown decisions

  • Other information

    MaterialA

    MaterialB

    MaterialC

    MaterialD

    Skilledlabour

    1,000kgsofthismaterialisinstockatacostof$5perkg. MrSmithhasnoalternativeuseforhismaterialandintendssellingit

    for$2perkg.

    However,ifhesoldanyhewouldhavetopayafixedsumof$300tocoverdeliverycosts.

    Thecurrentpurchasepriceis$10perkg.

    ThereisplentyofMaterialBinstockanditcost$18perkg. Thecurrentpurchasepriceis$15perkg. ThematerialisconstantlyusedbyMrSmithinhisbusiness.

    Thetotalamountinstockof500kgswasboughtfor$10,000sometimeagoforanotheroneoffcontractthatneverhappened.

    MrSmithisconsideringsellingitfor$6,000intotalorusingitasasubstituteforanothermaterial,constantlyusedinnormalproduction.

    Ifusedinthislattermanneritwouldsave$8,000oftheothermaterial.

    Currentpurchasepriceis$40perkg.

    Thereare100litresofthismaterialinstock. Itisdangerousandifnotusedinthiscontractwillhavetobe

    disposedofatacosttoMrSmithof$50perlitre.

    Thecurrentpurchasepriceis$12perlitre.

    MrSmithonlyhiresskilledlabourwhenheneedsit. $25perhouristhecurrenthourlyrate.

    chapter 6

    KAPLAN PUBLISHING 173

  • Semiskilledlabour

    Unskilledlabour

    Fixedoverheads

    Costsofpreparingthetender

    Profit

    Required:

    CalculateandexplainforMrSmithwhatyoubelievetheminimumtenderpriceshouldbe.

    MrSmithhasaworkforceof50semiskilledlabourerswhoarecurrentlynotfullyutilised.

    Theyareonannualcontractsandthenumberofsparehourscurrentlyavailableforthisprojectare1,500.Anyhoursinexcessofthiswillhavetobepaidforattimeandahalf.

    Thenormalhourlyrateis$15perhour.

    ThesearecurrentlyfullyemployedbyMrSmithonjobswheretheyproduceacontributionof$2perunskilledlabourhour.

    Theircurrentrateis$10perhour,althoughextracouldbehiredat$20anhourifnecessary.

    ThisisconsideredbyMrSmithtobeanaccurateestimateofthehourlyratebasedonhisexistingproduction.

    MrSmithhasspent10hoursworkingonthisprojectat$100perhour,whichhebelievesishischargeoutrate.

    OtherexpensesincludethecostoftravelandresearchspentbyMrSmithontheproject.

    ThisisMrSmithsminimumprofitmarginwhichhebelievesisnecessarytocover'generaldaytodayexpensesofrunningabusiness'.

    Make or buy and other short-term decisions

    174 KAPLAN PUBLISHING

    Additional example on oneoff contracts

  • 9Further processing decisions

    Afurtherprocessingdecisionwillbetestedinthecontextofjointproductsintheexam.

    Revision of joint product costing

    JointproductcostingwasintroducedinpaperF2:

    Thebasisofapportionmentofjointcoststoproductsisusuallyoneofthefollowing:

    Jointproductsarisewherethemanufactureofoneproductinevitablyresultsinthemanufactureofotherproducts.

    Thespecificpointatwhichindividualproductsbecomeidentifiableisknownasthesplitoffpoint.

    Costsincurredbeforethesplitoffpointarecalledjointcostsandmustbesharedbetweenjointproductsproduced.

    Afterseparationproductsmaybesoldimmediatelyormaybeprocessedfurther.Anyfurtherprocessingcostsareallocateddirectlytotheproductonwhichtheyareincurred.

    (i) Salesvalueofproduction(alsoknownas'marketvalue')

    (ii) Productionunits

    (iii) Netrealisablevalue.

    ProductsAandBaretwojointproductswithinformationasfollows:

    (a)Apportionment by production units

    Kgsproduced Kgssold SellingPriceperkg JointcostProductA 100 80 $5

    $750ProductB 200 150 $2

    Jointcost $750 = = $2.50perkgforAandBKgsproduced 300

    chapter 6

    KAPLAN PUBLISHING 175

    Illustration 2 Valuation of joint products

  • Trading results are as follows:

    Theproductionratiois100:200whichmeansthatinordertoobtain1kgofA,itisnecessarytoproduce2kgsofB.Forexampurposes,youshouldassumethattheratioofoutputisfixed.

    (b)Apportionment by market value at point of separation

    Trading results:

    NotethattheapportionmentisonthebasisofproportionatesalesvalueofproductionProfitperunitwillbethesame(withasmallroundingdifference.)

    ProductA ProductB TotalSales 80x$5.00 $400 150x$2.00 $300 $700CostofSales 80x$2.50 ($200) 150x$2.50 ($375) ($575)

    Profit/(loss) $200 ($75) $125

    Valueofclosingstock 20x$2.50 $50 50x$2.50 $125

    SalesValueofproduction

    Proportion Jointcostapportionment

    Perkg

    A:100x$5

    $500 5/9 $417 $4.17

    B:200x$2

    $400 4/9 $333 $1.67

    750

    A B TotalSales 400 300 700Costofsales 333.6 250.5 585.1Profit 66.4 49.5 114.9Profit/Salesratio 16.6% 16.5%Closinginventory (20x4.17)=$83 (50x$1.67)=$83

    Make or buy and other short-term decisions

    176 KAPLAN PUBLISHING

  • (c)Apportionment by Net Realisable Value

    Thisapproachshouldbeusedinsituationswherethesalesvalueatthesplitoffpointisnotknowneitherbecausetheproductisnotsaleable,oriftheexaminerdoesnottellus.

    Furtherinformationisneeded:

    Apportionmentofjointcosts:

    Furtherprocessingcosts

    Sellingpriceafterfurtherprocessing

    ProductA $280+$2.00perkg $8.40ProductB $160+$1.40perkg $4.50

    ProductA

    ProductB

    FinalSalesValueofProduction(100x$8.40200x$4.50)

    $840 $900

    FurtherProcessingCost(280+100x$2160+200x$1.40)

    $480 $440

    NetRealisablevalue $360 $460

    Jointcostapportionment(360460) 329 421Jointcostperkg $3.29 $2.10

    Tradingresults(forcommonprocessonly)Sales $700JointCosts $750lessclosinginventoryA:20x$3.29 $66B:50x$2.10 $105

    171

    Costofsales $579

    Profit $121

    chapter 6

    KAPLAN PUBLISHING 177

  • ThefollowingisrelevantforaproductionprocessforPeriod1:

    TheprocessproducesjointproductsAandB,whicharethensoldatthepricesgivenbelow.Theoutputfigurerepresentsalloftheoutputfromtheprocess:

    Required:

    Calculatethecostofsales,andgrossprofitforproductsAandBassuming:

    DirectmaterialCost $10,000DirectLabourCost $5,000Overheads $3,000Totalcosts $18,000

    ProductA ProductBUnitsofOutput 2,000 8,000PriceperUnit $5 $2.50

    (i) jointcostsareapportionedbymarketvalue

    (ii) jointcostsareapportionedbyproductionunits.

    Further processing decision

    Whendecidingwhethertoprocessaproductfurtherortosellaftersplitoffonlyfutureincrementalcashflowsshouldbeconsidered:

    Anydifferenceinrevenueandanyextracosts. Jointcostsaresunkatthisstageandthusnotrelevanttothedecision.

    Make or buy and other short-term decisions

    178 KAPLAN PUBLISHING

    Test your understanding 6

  • Afirmmakesthreejointproducts,X,YandZ,atajointcostof$400,000.Jointcostsareapportionedonthebasisofweight.ProductsXandZarecurrentlyprocessedfurther.

    Anopportunityhasarisentosellallthreeproductsatthesplitoffpointforthefollowingprices.

    Which of the products, if any, should the firm process further?

    Product Weight at Furtherprocessingcosts Salessplitoff (variable)(tonnes) $000 $000

    XYZ

    600200200

    800

    400

    980120600

    XYZ

    $200,000$120,000$160,000

    chapter 6

    KAPLAN PUBLISHING 179

    Test your understanding 7

  • 10Chapter summary

    Make or buy and other short-term decisions

    180 KAPLAN PUBLISHING

  • Test your understanding answers

    (a) Thesalaryisarelevantcostof12,000.Donotbefooledbythementionofthefactthatitisafixedcost,itisacostthatisrelevanttothedecisiontoproceedwiththefuturedevelopmentofthenewproduct.Thisisanexampleofadirectlyattributablefixedcost.Adirectlyattributablefixedcostmayalsobecalledaproductspecificfixedcost.

    (b) The2,500additionalrunningcostsarerelevanttothedecisiontopurchasethenewmachine.Thesavinginoverheadabsorptionisnotrelevantsincewearenottoldthatthetotaloverheadexpenditurewillbealtered.Thesavinginlabourcostwouldberelevantbutweshallassumethatthishasbeenaccountedforindeterminingtheadditionalmonthlyrunningcosts.

    (c) Thisisnotarelevantcostfornextmonthsinceitwillbeincurredevenifthecontractiscancelledtoday.Ifadecisionisbeingmadetoclosetheoffice,thiscostcannotbeincludedasasavingtobemadenextmonth.However,itwillbesavedinthemonthsafterthatsoitwillbecomearelevantcostsavingfrommonth2onwards.

    (d) Thisisnotarelevantcostofthedecisiontocontinuewiththecontract.The75issunkandcannotberecoveredevenifthecompanydoesnotproceedwiththenegotiations.

    chapter 6

    KAPLAN PUBLISHING 181

    Relevant costs

  • 100%capacity = 102,0000.85 = 120,000units

    Sparecapacityamountsto18,000units.Sothereissufficientslacktomeettheneworder.

    Variablecosts = 330,000less75,000

    = 255,000

    Variablecostperunit

    = 255,000102,000 = 2.50

    Contributionperunitfromexistingproduct = 3.252.50=0.75

    Contributionperunitfromnewproduct = 2.802.50=0.30

    Increaseincontributionfromnewproduct:

    0.3012,000units 3,600Fallincontributionfromexistingproduct:

    0.75(12,00015)2 0.751,600 (1,200)

    NetGainincontribution 2,400

    A B C D$ $ $ $

    Buyexternally unitprice 12 16 20 24

    Makeinhouseunitvariablecost 14 13 15 16unitfixedcost 2 2 2 1

    total 16 15 17 17

    Saving/(loss)throughmakinginhouse 4 1 3 7

    RobustLtdshouldbuyincomponentAsinceitwouldachievesavingsof$4perunitor$6,000pa.Buyinginanyoftheothercomponentswouldincreaseitscosts.

    Make or buy and other short-term decisions

    182 KAPLAN PUBLISHING

    Test your understanding 1 Opportunity cost

    Test your understanding 2

  • Annualinternalprocessingcosts

    Hardwareandsoftware $320Hardware/softwareannualmaintenance $750Accountingstationery $500Parttimeaccountsclerk $6,000

    Total $7,570

    AnnualoutsourcingcostsProcessingofinvoices/creditnotes $2,500 5,000$0.50Processingofchequepayments $2,000 4,000$0.50Reconcilingsupplieraccounts $3,600 150$212

    Total $8,100

    Itwouldnotbecosteffectivetooutsourcetheaccountingactivities.Thepresentcostsof$7,570wouldriseto$8,100pa

    Qualitativefactorsinclude:

    predictedvolumeshighervolumeswillmakeoutsourcingmoreexpensive

    thequalityofsupplywilltheexternalsuppliermakemoreerrors? securityofinformation.

    chapter 6

    KAPLAN PUBLISHING 183

    Test your understanding 3 Additional question on make vs buy

  • (a) Firstofallwemustrestatethefiguressothattheypresentthesituationinitstruelight.Onlyrelevantcashflowsshouldbeconsidered.Thiswillenableeachdepartmenttobereadilyevaluatedonitslocallycontrollableperformance.

    Notes

    Department 1 2 3 TotalSalesvolume(units) 5,000 6,000 2,000 13,000Salesvalue($) 150,000240,000 24,000414,000Costofsales:($)Directmaterial 75,000150,000 10,000235,000Directlabour(note1) 4,846 5,815 1,939 12,600Prodnoverhead(note2) 3,000 3,000 1,500 7,500Expenses(note3) 9,000 9,000 6,000 24,000

    Contribution($) 58,154 72,185 4,561134,900Othercosts($):Labour (note4) (50,400)Overhead (note5) (7,500)Expenses(note6) (16,000)

    Netprofit 61,000

    (1) 80%ofthelabourcostisfixedandisthereforeexcludedfromthecontributioncalculation. Theremaining20%hasbeenallocatedonthebasisofsalesvolume.

    (2) Only50%oftheproductionoverheadscanbedirectlyallocatedtothedepartments. Thishasbeenallocatedintheratio2:2:1.

    (3) Only60%oftheexpensescanbedirectlytracedtothedepartments. Thishasbeenallocatedintheratio3:3:2.

    (4) Fixedcostoflabouris80%.

    (5) Thisistheremaining50%ofoverheadsthatcan'tbeallocatedtodepartments.

    (6) Thisistheremaining40%ofexpensesthatcan'tbeallocatedtodepartments.

    Make or buy and other short-term decisions

    184 KAPLAN PUBLISHING

    Test your understanding 4

  • Conclusion

    Fromtherestatedfiguresdepartment3shouldbekeptopensince:

    Thedepartmentismakingacontributionof$4,561totheoverallprofitofthebusiness.

    Theapparentlossarisespurelyfrominappropriateapportionmentofoverheadsandexpenses.

    Ifthedepartmentwereclosed: therewouldbealossof$4,561contributiontothebusiness

    and

    ontheassumptiontherewouldbenofurthersavingonfixedcosts,theprofitwouldbereducedto$56,439.

    (b) Considerationmustbegiventothefollowingfactorswhichmaybenonquantifiableatpresent:

    Redundancycostsorcostsrelatingtothedisposalofequipmentifdepartment3isclosed.

    Thepossiblelossofbusinessduetoproductsfromdepartment3beingunavailabletocustomerswhobuyfromotherdepartmentsatthesametime.

    Thereorganisationcoststhatmayarisefromtheclosureofdepartment3.

    Additionalbenefitsofclosureofdepartment3suchaslabourandmachinerybeingusedtogeneratecontributionelsewhereinthebusiness.

    chapter 6

    KAPLAN PUBLISHING 185

  • $ $MaterialA 1,000kgs@$2$300 1,700(note1) 1,000kgs@$10 10,000

    11,700

    MaterialB(note2) 1,000kgs@$15 15,000MaterialC(note3) 500kgsopportunitycost 8,000MaterialD(note4) 50litres@$50 (2,500)Skilledlabour(note5) 1,000hrs@$25 25,000Semiskilledlabour(note6)

    500hrs@$22.50 11,250

    Unskilledlabour(note7) 500hrs@$12(opportunitycost)

    6,000

    Minimumtenderprice=totalofrelevantcashflows 74,450

    Notes

    Option1Sellitfor$6,000.

    Option2Useitasasubstituteandsave$8,000.

    Option2ispreferable.Thisisthereforetheopportunitycostofusingitinthecontract.

    (1) Thereare1,000kgsinstockandthesewillnotbereplaced. Thesewouldotherwisebesoldatanetgainof$1,700.Thisgainisthereforeforegoneasaresultofusingthismaterialinthecontract.Theother1,000kgsareoutofstockandthereforetherelevantcostisthecurrentpurchasepriceof$10perkg.

    (2) Thematerialisinstockbutwillbereplacedandthereforetherelevantcostisthecurrentpurchasepriceof$15perkg.

    (3) Thematerialisinstockandtherearetwooptionsifthismaterialisnotusedforthecontract:

    Make or buy and other short-term decisions

    186 KAPLAN PUBLISHING

    Test your understanding 5

  • (4) Thematerialisinstockandwillnotbereplaced.Thecostofdisposingof50litreswillbesaved(@$50/litre,i.e.$2,500).Savingthiscostisarelevantbenefit.

    (5) Theincrementalcostofpayingforthelabourneeded.

    (6) 1,500sparehourshavealreadybeenpaidforastheworkforceareonannualcontracts.Theadditionalcashflowisthereforetheextra500hoursthatareneededattimeandahalf.

    (7) Foreachhourdivertedfromtheirnormaljobscontributionof$2willbeforegone.Thistogetherwiththecostofpayingtheworkerstodotheprojectamountstoarelevantcostof$12perkg.Theywouldnotbehiredat$20perhourasthisismoreexpensive.

    (8) Fixedoverheadscanbeignoredastheyarenotincremental.

    (9) Costsofpreparingthetenderareallsunkcostsandhencemustbeignored.

    (10)Profitelementshouldbeignoredsinceaminimumcontractpriceisbeingcalculated.

    (a) Market value basis

    Working:

    (b) Production units basis

    Product A Product B TotalSalesvalue $10,000 $20,000 $30,000Jointcostsapportioned(W1) $6,000 $12,000 $18,000GrossProfit $4,000 $8,000 $12,000

    10,000JointcostsallocatedtoProductA =$18,000 =$6,000

    30,000

    20,000JointcostsallocatedtoProductB =$18,000 =$12,000

    30,000

    Product A Product B TotalSalesvalue $10,000 $20,000 $30,000Jointcostsapportioned(W1) $3,600 $14,400 $18,000GrossProfit $6,400 $5,600 $12,000

    chapter 6

    KAPLAN PUBLISHING 187

    Test your understanding 6

  • Working:

    Totaloutputunits=2,000+8,000=10,000

    2,000JointcostsallocatedtoProductA =$18,000 =$3,600

    10,000

    8,000JointcostsallocatedtoProductB = $18,000 =$14,400

    10,000

    Thepreseparation(i.e.joint)costsarenotincrementalandsocanbeignored.Theonlyincrementalcashflowsareasfollows:

    ThusonlyZshouldbeprocessedfurther.

    Product X Y Z$000 $000 $000

    Additionalrevenuefromfurtherprocessing 780 n/a 440Additionalcostsfromfurtherprocessing 800 n/a 400

    Benefit/(cost)offurtherprocessing (20) 40

    Make or buy and other short-term decisions

    188 KAPLAN PUBLISHING

    Test your understanding 7

  • RiskanduncertaintyChapter learning objectives

    Uponcompletionofthischapteryouwillbeableto:

    describegenerallyavailableresearchtechniquestoreduceuncertainty,e.g.focusgroups,marketresearch

    suggestforagivensituation,suitableresearchtechniquesforreducinguncertainty

    explain,usingasimpleexample,theuseofsimulation explain,calculateanddemonstratetheuseofexpectedvalues

    andsensitivityanalysisinsimpledecisionmakingsituations

    forgivendata,applythetechniquesofmaximax,maximinandminimaxregrettodecisionmakingproblemsincludingtheproductionofprofittables

    calculatethevalueofperfectinformation calculatethevalueofimperfectinformation.

    189

    chapter

    7

  • 1Introduction Risk and uncertainty

    Allbusinessesfacerisk.

    Riskisthevariabilityofpossiblereturns.

    Riskmanagementisimportantinabusiness. Itistheprocessofunderstandingandmanagingtherisksthatanorganisationisinevitablysubjectto.

    Distinction between risk and uncertainty

    Risk: thereareanumberofpossibleoutcomesandtheprobabilityofeachoutcomeisknown.

    Forexample,basedonpastexperienceofdiggingforoilinaparticulararea,anoilcompanymayestimatethattheyhavea60%chanceoffindingoilanda40%chanceofnotfindingoil.

    Uncertainty: thereareanumberofpossibleoutcomesbuttheprobabilityofeachoutcomeisnotknown.

    Forexample,thesameoilcompanymaydigforoilinapreviouslyunexploredarea. Thecompanyknowsthatitispossibleforthemtoeitherfindornotfindoilbutitdoesnotknowtheprobabilitiesofeachoftheseoutcomes.

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  • 2Other methods of dealing with risk and uncertainty

    Inadditiontotheresearchtechniquesdiscussed,thefollowingmethodscanbeusedtoaddressriskoruncertainty.

    Eachmethodwillbereviewedinturn.

    Sensitivityanalysis Simulation Expectedvalues Maximax,maximinandminimaxregret DecisionTrees

    3Sensitivity analysis

    Sensitivityanalysistakeseachuncertainfactorinturn,andcalculatesthechangethatwouldbenecessaryinthatfactorbeforetheoriginaldecisionisreversed.Typically,itinvolvesposing'whatif'questions.

    Byusingthistechniqueitispossibletoestablishwhichestimates(variables)aremorecriticalthanothersinaffectingadecision.

    Theprocessisasfollows:

    Bestestimatesforvariablesaremadeandadecisionarrivedat. Eachofthevariablesisanalysedinturntoseehowmuchtheoriginal

    estimatecanchangebeforetheoriginaldecisionisreversed.Forexample,itmaybethattheestimatedsellingpricecanfallby5%beforetheoriginaldecisiontoacceptaprojectisreversed.

    Estimatesforeachvariablecanthenbereconsideredtoassessthelikelihoodoftheestimatebeingwrong.Forexample,whatisthechanceofthesellingpricefallingbymorethan5%?

    Themaximumpossiblechangeisoftenexpressedasapercentage.Thisformulaonlyworksfortotalcashflows.Itcannotbeusedforindividualunits,sellingprices,variablecostperunit,etc.

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    The use of research techniques to reduce uncertainty

    Motivational research techniques

    Types of measurement research

  • Amanagerisconsideringamakevbuydecisionbasedonthefollowingestimates:

    Youarerequiredtoassessthesensitivityofthedecisiontotheexternalpurchaseprice.

    Solution

    Step 1: Whatistheoriginaldecision?

    Comparingcontributionfigures,theproductshouldbeboughtinandrebadged:

    Step 2: Calculatethesensitivity(totheexternalpurchaseprice)

    Forindifference,thecontributionfromoutsourcingneedstofallto$5perunit.Thustheexternalpurchasepriceonlyneedstoincreaseby$1perunit(or$1/$6=17%).Iftheexternalpurchasepricerosebymorethan17%theoriginaldecisionwouldbereversed.

    If made inhouse If buy in and rebadge$ $

    Variableproductioncosts 10 2Externalpurchasecosts 6Ultimatesellingprice 15 14

    If made inhouse If buy in and rebadge$ $

    Contribution 5 6

    Strengths of sensitivity analysis

    Thereisnocomplicatedtheorytounderstand. Informationwillbepresentedtomanagementinaformwhichfacilitates

    subjectivejudgementtodecidethelikelihoodofthevariouspossibleoutcomesconsidered.

    Itidentifiesareaswhicharecrucialtothesuccessoftheproject.Iftheprojectischosen,thoseareascanbecarefullymonitored.

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    Illustration 1 Sensitivity analysis

  • 4Weaknesses of sensitivity analysis

    Itassumesthatchangestovariablescanbemadeindependently,e.g.materialpriceswillchangeindependentlyofothervariables.Simulationallowsustochangemorethanonevariableatatime.

    Itonlyidentifieshowfaravariableneedstochangeitdoesnotlookattheprobabilityofsuchachange.

    Itprovidesinformationonthebasisofwhichdecisionscanbemadebutitdoesnotpointtothecorrectdecisiondirectly.

    5Simulation

    Simulationisamodellingtechniquethatshowstheeffectofmorethanonevariablechangingatthesametime.

    Itisoftenusedincapitalinvestmentappraisal.

    TheMonteCarlosimulationmethodusesrandomnumbersandprobabilitystatistics.Itcanincludeallrandomeventsthatmightaffectthesuccessorfailureofaproposedprojectforexample,changesinmaterialprices,labourrates,marketsize,sellingprice,investmentcostsorinflation.

    Themodelidentifieskeyvariablesinadecision:costsandrevenues,say.Randomnumbersarethenassignedtoeachvariableinaproportioninaccordancewiththeunderlyingprobabilitydistribution.Forexample,ifthemostlikelyoutcomesarethoughttohavea50%probability,optimisticoutcomesa30%probabilityandpessimisticoutcomesa20%probability,randomnumbers,representingthoseattributes,canbeassignedtocostsandrevenuesinthoseproportions.

    Apowerfulcomputeristhenusedtorepeatthedecisionmanytimesandgivemanagementaviewofthelikelyrangeandlevelofoutcomes.Dependingonthemanagement'sattitudetorisk,amoreinformeddecisioncanbetaken.

    Thishelpstomodelwhatisessentiallyaoneoffdecisionusingmanypossiblerepetitions.Itisonlyofanyrealvalue,however,iftheunderlyingprobabilitydistributioncanbeestimatedwithsomedegreeofconfidence.

    TheMPOrganisationisanindependentfilmproductioncompany.Ithasanumberofpotentialfilmsthatitisconsideringproducing,oneofwhichisthesubjectofamanagementmeetingnextweek.ThefilmwhichhasbeencodenamedCA45isathrillerbasedonanovelbyawellrespectedauthor.

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    Illustration 2 The MP Organisation

  • Theexpectedrevenuesfromthefilmhavebeenestimatedasfollows:thereisa30%chanceitmaygeneratetotalsalesof$254,00050%chancesalesmayreach$318,000and20%chancetheymayreach$382,000.

    Expectedcosts(advertising,promotionandmarketing)havealsobeenestimatedasfollows:thereisa20%chancetheywillreachapproximately$248,00060%chancetheymaygetto$260,000and20%chanceoftotalling$272,000.

    InaMonteCarlosimulation,theserevenuesandcostscouldhaverandomnumbersassignedtothem:

    Acomputercouldgenerate20digitrandomnumberssuchas98125602386617556398.Thesewouldthenbematchedtotherandomnumbersassignedtoeachprobabilityandvaluesassignedto'SalesRevenues'and'Costs'basedonthis.Therandomnumbersgeneratedgive5possibleoutcomesinourexample:

    Sales Revenue

    Probability

    Assign Random Numbers (assume integers)

    $254,000 0.30 0029$318,000 0.50 3079$382,000 0.20 8099

    Costs$248,000 0.20 0019$260,000 0.60 2079$272,000 0.20 8099

    Random number

    Sales revenue in $000

    Random Number

    Costs in $000

    Profit

    98 382 12 248 13456 318 02 248 7038 318 66 260 5817 254 55 260 (6)63 318 98 272 46

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  • Abusinessischoosingbetweentwoprojects,projectAandprojectB. Itusessimulationtogenerateadistributionofprofitsforeachproject.

    Required:

    Whichprojectshouldthebusinessinvestin?

    Solution

    ProjectAhasaloweraverageprofitbutisalsolessrisky(lessvariabilityofpossibleprofits).

    ProjectBhasahigheraverageprofitbutisalsomorerisky(morevariabilityofpossibleprofits).

    Thereisnocorrectanswer. Allsimulationwilldoisgivethebusinesstheaboveresults. Itwillnottellthebusinesswhichisthebetterproject.

    Ifthebusinessiswillingtotakeonrisk,theymaypreferprojectBsinceithasthehigheraveragereturn.

    However,ifthebusinesswouldprefertominimiseitsexposuretorisk,itwouldtakeonprojectA. Thishasalowerriskbutalsoaloweraveragereturn.

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    Illustration 3 Simulation

  • Drawbacks of simulation

    Therearemajordrawbacksofsimulation:

    Itisnotatechniqueformakingadecision,onlyforobtainingmoreinformationaboutthepossibleoutcomes.

    Modelscanbecomeextremelycomplex. Thetimeandcostsinvolvedintheirconstructioncanbemorethanis

    gainedfromtheimproveddecisions.

    Probabilitydistributionsmaybedifficulttoformulate.

    Assess the use of simulation for a chain of betting shops.

    6Expected values (EVs)

    Anexpectedvalueisaweightedaverageofallpossibleoutcomes.Itcalculatestheaveragereturnthatwillbemadeifadecisionisrepeatedagainandagain.Inotherwords,itisobtainedbymultiplyingthevalueofeachpossibleoutcome(x),bytheprobabilityofthatoutcome(p),andsummingtheresults.

    TheformulafortheexpectedvalueisEV = px

    Returnsfromanewrestaurantventuredependonwhetheracompetitordecidestoopenupinthesamearea.Thefollowingestimatesaremade:

    Competitor opens up Probability (p) Project NPV (x) px$ $

    Yes 0.3 (10,000) (3,000)No 0.7 20,000 14,000 EV= 11,000

    Sincetheexpectedvalueshowsthelongrunaverageoutcomeofadecisionwhichisrepeatedtimeandtimeagain,itisausefuldecisionruleforarisk neutral decision maker.Thisisbecauseariskneutralinvestorneitherseeksriskoravoidsitheishappytoacceptanaverageoutcome.

    Advantages and disadvantages of EVs

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    Illustration 4 Calculating EVs

    Test your understanding 1

  • Advantages:

    Disadvantages:

    Takesuncertaintyintoaccountbyconsideringtheprobabilityofeachpossibleoutcomeandusingthisinformationtocalculateanexpectedvalue.

    Theinformationisreducedtoasinglenumberresultingineasierdecisions.

    Calculationsarerelativelysimple.

    Theprobabilitiesusedareusuallyverysubjective. TheEVismerelyaweightedaverageandthereforehaslittlemeaning

    foraoneoffproject.

    TheEVgivesnoindicationofthedispersionofpossibleoutcomesabouttheEV,i.e.therisk.

    TheEVmaynotcorrespondtoanyoftheactualpossibleoutcomes.

    Payoff tables

    Aprofittable(payofftable)canbeausefulwaytorepresentandanalyseascenariowherethereisarangeofpossibleoutcomesandavarietyofpossibleresponses.Apayofftablesimplyillustratesallpossibleprofits/losses.

    GeoffreyRamsbottomrunsakitchenthatprovidesfoodforvariouscanteensthroughoutalargeorganisation.Aparticularsaladissoldtothecanteenfor$10andcosts$8toprepare.Therefore,thecontributionpersaladis$2.

    Baseduponpastdemands,itisexpectedthat,duringthe250dayworkingyear,thecanteenswillrequirethefollowingdailyquantities:

    Thekitchenmustpreparethesaladinbatchesof10meals.Itsstaffhasaskedyoutohelpthemdecidehowmanysaladsitshouldsupplyforeachdayoftheforthcomingyear.

    On25daysoftheyear 40saladsOn50daysoftheyear 50saladsOn100daysoftheyear 60saladsOn75days 70saladsTotal 250 days

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    Illustration 5 Geoffrey Ramsbottom

  • 7Maximax, maximin and minimax regret

    Whenprobabilitiesarenotavailable,therearestilltoolsavailableforincorporatinguncertaintyintodecisionmaking.

    Maximax

    Themaximaxruleinvolvesselectingthealternativethatmaximisesthemaximumpayoffachievable.

    Thisapproachwouldbesuitableforanoptimist,or'riskseeking'investor,whoseekstoachievethebestresultsifthebesthappens.

    Followingupfromthepayofftableexample,GeoffreyRamsbottom'stablelooksasfollows:

    Themanagerwhoemploysthemaximaxcriterionisassumingthatwhateveractionistaken,thebestwillhappenhe/sheisarisktaker.Howmanysaladswillhedecidetosupply?

    Daily demand

    Daily SupplyProbability 40

    salads50

    salads60

    salads70

    salads40

    salads0.10 $80 $0 ($80) ($160)

    50salads

    0.20 $80 $100 $20 ($60)

    60salads

    0.40 $80 $100 $120 $40

    70salads

    0.30 $80 $100 $120 $140

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    Answer

    Illustration 6 The Maximax rule

    Solution Geoffrey Ramsbottom

  • Acompanyischoosingwhichofthreenewproductstomake(A,BorC)andhascalculatedlikelypayoffsunderthreepossiblescenarios(I,IIorIII),givingthefollowingpayofftable.

    Required:

    Usingmaximax,whichproductwouldbechosen?

    Profit (loss) Product chosenScenario A B C

    IIIIII

    204050

    8070(10)

    1010040

    Maximin

    Themaximinruleinvolvesselectingthealternativethatmaximisestheminimumpayoffachievable.Theinvestorwouldlookattheworstpossibleoutcomeateachsupplylevel,thenselectsthehighestoneofthese. Thedecisionmakerthereforechoosestheoutcomewhichisguaranteedtominimisehislosses.Intheprocess,helosesoutontheopportunityofmakingbigprofits.

    Thisapproachwouldbeappropriateforapessimistwhoseekstoachievethebestresultsiftheworsthappens.

    Required:

    UsingtheinformationfromthepreviousTYUapplythemaximinruletodecidewhichproductshouldbemade.

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    Test your understanding 3 Applying maximin

    Test your understanding 2 Applying maximax

  • Followingupfromthepayofftableexample,GeoffreyRamsbottom'stablelooksasfollows:

    Howmanysaladsshouldwesupply,usingtheMaximinrule?

    Daily demand

    Daily SupplyProbability 40

    salads50

    salads60

    salads70

    salads40

    salads0.10 $80 $0 ($80) ($160)

    50salads

    0.20 $80 $100 $20 ($60)

    60salads

    0.40 $80 $100 $120 $40

    70salads

    0.30 $80 $100 $120 $140

    The minimax regret rule

    Theminimaxregretstrategyistheonethatminimisesthemaximumregret.Itisusefulforariskneutraldecisionmaker.Essentially,thisisthetechniqueforasoreloserwhodoesnotwishtomakethewrongdecision.

    Regretinthiscontextisdefinedastheopportunitylossthroughhavingmadethewrongdecision.

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    Answer

    Illustration 7 The 'Maximin' rule

  • Followingupfromthepayofftableexample,GeoffreyRamsbottom'stablelooksasfollows:

    Howmanysaladsshouldwedecidetosupplyiftheminimaxregretruleisapplied?

    Daily demand

    Daily SupplyProbability 40

    salads50

    salads60

    salads70

    salads40

    salads0.10 $80 $0 ($80) ($160)

    50salads

    0.20 $80 $100 $20 ($60)

    60salads

    0.40 $80 $100 $120 $40

    70salads

    0.30 $80 $100 $120 $140

    8Decision trees

    Adecisiontreeisadiagrammaticrepresentationofamultidecisionproblem,whereallpossiblecoursesofactionarerepresented,andeverypossibleoutcomeofeachcourseofactionisshown.

    Decisiontreesshouldbeusedwhereaprobleminvolvesaseriesofdecisionsbeingmadeandseveraloutcomesariseduringthedecisionmakingprocess.Decisiontreesforcethedecisionmakertoconsiderthelogicalsequenceofevents.Acomplexproblemisbrokendownintosmaller,easiertohandlesections.

    Thefinancialoutcomesandprobabilitiesareshownseparately,andthedecisiontreeisrolledbackbycalculatingexpectedvaluesandmakingdecisions.

    Three step method

    Step 1:Drawthetreefromlefttoright,showingappropriatedecisionsandevents/outcomes.

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    Illustration 8 The 'Minimax Regret' rule

    Answer

  • Somecommonsymbolscanbeused:asquareisusedtorepresentadecisionpoint(i.e.whereachoicebetweendifferentcoursesofactionmustbetaken.Acircleisusedtorepresentachancepoint.Thebranchescomingawayfromacirclewithhaveprobabilitiesattachedtothem.Allprobabilitiesshouldaddupto'1'.

    Labelthetreeandrelevantcashinflows/outflowsandprobabilitiesassociatedwithoutcomes.

    Step2:Evaluatethetreefromrighttoleftcarryingoutthesetwoactions:

    Step 3:Recommendacourseofactiontomanagement.

    (a) CalculateanEVateachoutcomepoint.

    (b) Choosethebestoptionateachdecisionpoint.

    Auniversityistryingtodecidewhetherornottoadvertiseanewpostgraduatedegreeprogramme.

    Thenumberofstudentsstartingtheprogrammeisdependentoneconomicconditions:

    Iftheprogrammeisadvertisedandeconomicconditionsarepoor,thereisa65%chancethattheadvertisingwillstimulatefurtherdemandandstudentnumberswillincreaseto50.Ifeconomicconditionsaregoodthereisa25%chancetheadvertisingwillstimulatefurtherdemandandnumberswillincreaseto25students.

    Ifconditionsarepooritisexpectedthattheprogrammewillattract40studentswithoutadvertising.Thereisa60%chancethateconomicconditionswillbepoor.

    Ifeconomicconditionsaregooditisexpectedthattheprogrammewillattractonly20studentswithoutadvertising.Thereisa40%chancethateconomicconditionswillbegood.

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    Decision trees

  • Theprofitexpected,beforedeductingthecostofadvertising,atdifferentlevelsofstudentnumbersareasfollows:

    Required:

    Demonstrate,usingadecisiontree,whethertheprogrammeshouldbeadvertised.

    Number of students Profit in $15 (10,000)20 15,00025 40,00030 65,00035 90,00040 115,00045 140,00050 165,000

    9The value of perfect information

    Inmanyquestionsthedecisionmakersreceiveaforecastofafutureoutcome(forexampleamarketresearchgroupmaypredicttheforthcomingdemandforaproduct).Thisforecastmayturnouttobecorrectorincorrect.Thequestionoftenrequiresthecandidatetocalculatethevalueoftheforecast.

    Perfect information Theforecastofthefutureoutcomeisalwaysacorrectprediction.Ifafirmcanobtaina100%accuratepredictiontheywillalwaysbeabletoundertakethemostbeneficialcourseofactionforthatprediction.

    Imperfect information Theforecastisusuallycorrect,butcanbeincorrect.Imperfectinformationisnotasvaluableasperfectinformation.

    Thevalueofinformation(eitherperfectorimperfect)maybecalculatedasfollows:Expected Profit (Outcome) WITH the information LESS Expected Profit (Outcome) WITHOUT the information

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    Answer University advertising decision tree

  • Aneworderingsystemisbeingconsidered,wherebycustomersmustordertheirsaladonlinethedaybefore.WiththisnewsystemMrRamsbottomwillknowforcertainthedailydemand24hoursinadvance.Hecanadjustproductionlevelsonadailybasis.

    How much is this new system worth to Mr Ramsbottom?

    10The value of imperfect information

    Perfectinformationisonlyrarelyaccessible.Infact,informationsourcessuchasmarketresearchorindustryexpertsareusuallysubjecttoerror.Marketresearchfindings,forexample,arelikelytobereasonablyaccuratebuttheycanstillbewrong.

    Therefore,ouranalysismustextendtodealwithimperfectinformation.Thequestionisasfollows:how much would it be worth paying for such imperfect information,giventhatweareawareofhowrightorwrongitislikelytobe?

    (a) Youhavethemineralrightstoapieceoflandthatyoubelievemayhaveoilunderground.Thereisonlya10%chancethatyouwillstrikeoilifyoudrill,buttheprofitis$200,000.

    Itcosts$10,000todrill.Thealternativeisnottodrillatall,inwhichcaseyourprofitiszero.

    Shouldyoudrill?Drawadecisiontreetorepresentyourproblem.

    Drawadecisiontreeandcalculatethevalueofimperfectinformationforthisgeologist.Ifthegeologistcharges$7,000,wouldyouuseherservices?

    (b) Beforeyoudrill,youmayconsultageologistwhocanassessthepromiseofthepieceofland.Shecantellyouwhethertheprospectsaregoodorpoor,butsheisnotaperfectpredictor.Ifthereisoil,theprobabilitythatshewillsaytherearegoodprospectsis95%.Ifthereisnooil,theprobabilitythatshewillsayprospectsarepooris85%.

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    Test your understanding 4 Geoffrey Ramsbottom

    Solution

    The Value of Imperfect Information

  • 11Chapter summary

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  • Test your understanding answers

    Simulationwouldbeparticularlyusefulonanoperationallevelforanalysingthepossibleimplicationsofasingleevent,suchasamajorhorseraceorfootballmatch:

    Simulationcouldalsobeusedforwiderstrategicanalysissuchasforassessingthepossibilityandimplicationsofstricterantigamblinglegislation.

    Possibleoutcomesareeasytoidentify(e.g.win,lose,draw,21,30,etc)

    Quotedoddscanhelpestimateprobabilities Theoutcomesofthesimulationcouldbeusedtoassessimpacton

    cashflow,whetherbetsshouldbelaidoffwithotherbettingagentstoreducesrisk,etc

    Usingmaximax,anoptimistwouldconsiderthebestpossibleoutcomeforeachproductandpicktheproductwiththegreatestpotential.

    HereCwouldbechosenwithamaximumpossiblegainof100.

    Usingmaximin,apessimistwouldconsiderthepoorestpossibleoutcomeforeachproductandwouldensurethatthemaximumpayoffisachievediftheworstresultweretohappen.

    Therefore,productAwouldbechosenresultinginaminimumpayoffof20comparedtoaminimumpayoffof10forproductsBandC.

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    Test your understanding 2 Applying maximax

    Test your understanding 3 Applying maximin

    Test your understanding 1

  • X PSupply=demand Payoff Probability px

    40 $80 0.1 850 $100 0.2 2060 $120 0.4 4870 $140 0.3 42

    118

    E.V.withperfectinformation =$118E.V.withoutperfectinformation(Working1) =$90

    Valueofperfectinformation $28perday

    Working 1:

    AccordingtothepayofftablefromIllustration5,theExpectedValueofProfitsif40 saladsaresuppliedcanbecalculatedas(0.10x$80)+(0.20x$80)+(0.40x$80)+(0.30x$80)=$80.

    Likewise:

    Profitsarethereforemaximisedat50saladsandamountto$90.

    EV('50 saladsdailysupply')= ($0x10%)= $0+($100x20%)= $20+($100x40%)= $40+($100x30%)= $30 $90

    EV('60 saladsdailysupply')= ($80x10%)= ($8)+($20x20%)= $4+($120x40%)= $48+($120x30%)= $36 $80

    EV('70 saladsdailysupply')= ($160x10%)= ($16)+($60x20%)= ($12)+($40x40%)= $16+($140x30%)= $42 $30

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    Test your understanding 4 Geoffrey Ramsbottom

  • Risk and uncertainty

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  • BudgetingChapter learning objectives

    Uponcompletionofthischapteryouwillbeableto:

    explainwhyorganisationsusebudgeting explainhowbudgetarysystemsfitwithintheperformance

    hierarchy

    describethefactorswhichinfluencebehaviouratwork discusstheissuessurroundingsettingthedifficultylevelfora

    budget

    explainthebenefitsanddifficultiesoftheparticipationofemployeesinthenegotiationoftargets

    explainandevaluatetopdownandbottomupbudgetarysystemsrolling,activitybased,'incremental'and'zerobased'budgetarysystems.

    explainandevaluatefeedforwardbudgetarycontrol selectandjustifyanappropriatebudgetarysystemforagiven

    organisation

    describetheinformationusedinvariousbudgetarysystemsandthesourcesoftheinformationneeded

    explainthedifficultiesofchangingabudgetarysystemandtypeofbudgetused

    explainhowbudgetsystemscandealwithuncertaintyintheenvironment

    explainthemajorbenefitsanddangersinusingspreadsheetsinbudgeting.

    209

    chapter

    8

  • 1Purpose of budgets

    Abudgetisaquantitativeplanpreparedforaspecifictimeperiod.Itisnormallyexpressedinfinancialtermsandpreparedforoneyear.

    Budgetingservesanumberofpurposes:

    Abudgetingprocessforcesabusinesstolooktothefuture.Thisisessentialforsurvivalsinceitstopsmanagementfromrelyingonadhocorpoorlycoordinatedplanning.

    Actualresultsarecomparedagainstthebudgetandactionistakenasappropriate.

    Thebudgetisaformalcommunicationchannelthatallowsjuniorandseniormanagerstoconverse.

    Thebudgetallowscoordinationofallpartsofthebusinesstowardsacommoncorporategoal.

    Planning

    Control

    Communication

    Coordination

    Budgeting

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  • Responsibilityaccountingdividestheorganisationintobudgetcentres,eachofwhichhasamanagerwhoisresponsibleforitsperformance.Thebudgetmaybeusedtoevaluatetheactionsofamanagerwithinthebusinessintermsofthecostsandrevenuesoverwhichtheyhavecontrol.

    Thebudgetmaybeusedasatargetformanagerstoaimfor.Rewardshouldbegivenforoperatingwithinorunderbudgetedlevelsofexpenditure. Thisactsasamotivatorformanagers.

    Thebudgetactsasaformalmethodofauthorisationtoamanagerforexpenditure,hiringstaffandthepursuitofplanscontainedwithinthebudget.

    Managersmaybeinvolvedinsettingthebudget. Extraresponsibilitymaymotivatethemanagers. Managementinvolvementmayalsoresultinmorerealistictargets.

    Evaluation

    Motivation

    Authorisation

    Delegation

    2Budgets and performance management

    Budgetscontributetoperformancemanagementbyprovidingbenchmarksagainstwhichtocompareactualresults(throughvarianceanalysis),anddevelopcorrectivemeasures.Theytakemanyformsandservemanyfunctions,butmostprovidethebasisfor:

    Budgetsgivemanagers"preapproval"forexecutionofspendingplans,andallowthemtoprovideforwardlookingguidancetoinvestorsandcreditors.Forexample,budgetsarenecessarytoconvincebanksandotherlenderstoextendcredit.

    detailedsalestargets staffingplans production cashinvestmentandborrowing capitalexpenditure

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  • Eveninasmallbusiness,anrobustbusinessplan/budgetcanoftenresultinanticipatingandavoidingdisastrousoutcomes.Mediumandlargerorganisationsinvariablyrelyonbudgets. Thisisequallytrueinbusinesses,government,andnotforprofitorganizations. Thebudgetprovidesaformalquantitativeexpressionofexpectations. Itisanessentialfacetoftheplanningandcontrolprocess. Withoutabudget,anorganisationwillbehighlyinefficientandineffective.

    Awageawardforproductionstaffisagreedwhichexceedstheallowanceincorporatedinthebudget.Discusswhethertheperformanceoftheproductionmanagershouldbelinkedtothewagecost.

    3The performance hierarchy

    AsyoumayrecallfrompaperF1,firmshaveaplanninghierarchy:

    Theaimisthatifamanagerachievesshorttermbudgetarytargets(operationalplans)thenthereismorechanceofmeetingtacticalgoalsandultimatelysuccessforstrategicplans.

    Theachievementofbudgetaryplanswillimpactontheeventualachievementofthetacticalandstrategicplans.However,budgetsshouldalsobeflexibleinordertomeetthechangingneedsofthebusiness.

    Strategicplanningislongterm,looksatthewholeorganisationanddefinesresourcerequirements.Forexample,todevelopnewproductsinresponsetochangingcustomerneeds.

    Tacticalplanningismediumterm,looksatthedepartment/divisionallevelandspecifieshowtouseresources.Forexample,totrainstafftodealwiththechallengesthatthisnewproductpresents.

    Operationalplanningisveryshortterm,verydetailedandismainlyconcernedwithcontrol.Mostbudgetingactivitiesfallwithinoperationalplanningandcontrol. Forexample,abudgetissetforthenewproducttoincludeadvertisingexpenditure,salesforecasts,labourandmaterialexpenditureetc.

    Budgeting

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    Test your understanding 1 Evaluation of managers

  • 4Behavioural aspects of budgeting

    Individualsreacttothedemandsofbudgetingandbudgetarycontrolindifferentwaysandtheirbehaviourcandamagethebudgetingprocess.

    Behaviouralproblemsareoftenlinkedtomanagementstyles,andincludedysfunctionalbehaviourandbudgetslack.

    Management styles (Hopwood)

    ResearchwascarriedoutbyHopwood(1973)intothemanufacturingdivisionofaUSsteelworks,involvingasampleofmorethan200managerswithcostcentreresponsibility.Hopwoodidentifiedthreedistinctstylesofusingbudgetaryinformationtoevaluatemanagementperformance.

    Management style

    Performance evaluation

    Behavioural aspects

    (1) Budgetconstrainedstyle

    Managerevaluatedonabilitytoachievebudgetintheshortterm.

    Jobrelatedpressure Mayresultinshortterm

    decisionmakingattheexpenseoflongtermgoals.

    Managerwillbecriticisedforpoorresults.Forexample,ifspendingexceedsthelimitset.

    Canresultinpoorworkingrelationswithcolleagues

    Canresultinmanipulationofdata

    (2) Profitconsciousstyle

    Managerevaluatedonabilitytoreducecostsandincreaseprofitinthelongterm.

    Lessjobrelatedpressure

    Forexample,amanagerwillbepreparedtoexceedthebudgetarylimitintheshorttermifthiswillresultinanincreaseinlongtermprofit.

    Betterworkingrelationswithcolleagues

    Lessmanipulationofdata

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  • (3) Nonaccountingstyle

    Managerevaluatedmainlyonnonaccountingperformanceindicatorssuchasqualityandcustomersatisfaction.

    Similartoprofitconsciousstylebutthereislessconcernforaccountinginformation.

    Requiressignificantandstringentmonitoringofperformanceagainstbudget

    5Setting the difficulty level of a budget

    Budgetarytargetswillassistmotivationandappraisaliftheyareattherightlevel.

    Anexpectationsbudgetisabudgetsetatcurrentachievablelevels.Thisisunlikelytomotivatemanagerstoimprovebutmaygivemoreaccurateforecastsforresourceplanning,controlandperformanceevaluation.

    Anaspirationsbudgetisabudgetsetatalevelwhichexceedsthelevelcurrentlyachieved.Thismaymotivatemanagerstoimproveifitisseenasattainablebutmayalsoresultinanadversevarianceifitistoodifficulttoachieve.Thismustbemanagedcarefully.

    Amanagerisawardedabonusforachievingmonthlybudgetarytargets.Statethreepossiblebehaviouralimplicationsofthispolicy.Whatshouldbedonetotrytoimprovetheprocess?

    Asalesmanagerhasachieved$550,000ofsalesinthecurrentyear.Businessisexpectedtogrowby10%andpriceinflationisexpectedtobe3%.

    Suggest a suitable budget target for the forthcoming year.

    6Conflicting objectives

    Therearemanyexamplesofconflictingobjectivesthatoccurinbudgeting.Theillustrationbelowidentifiessomecommonconflictsandexplainshowtheycanberesolved.

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    Test your understanding 2

    Test your understanding 3

  • Type of conflict

    Examples Resolution

    Companyversusdivision.

    Thecompanywishestoincreaseshareholderwealth.ThisshouldinvolvetheuseofNPVbutdivisionsareassessedonaccountingtargetssuchasprofit.

    Similarlyshareholderwealthisdeterminedbythelongtermbutdivisionsaresetshorttermtargets(seebelow).

    Managersrejectprojectsthatdilutedivisionalperformance,eventhoughtheybeatcompanytargets.

    SomecompaniestrytoinsistthatprojectsareassessedusingNPVbutthenstillimposeaccountingtargets.

    Givemanagersshareoptionssotheyfocusonshareholderwealth.

    Useperformancemeasuresthatencouragethedivisiontoacceptprojectswhichmeetorexceedcompanytarget. Forexample,residualincome(reviewedinchapter12)

    Divisionversusdivision.

    Divisionsmaycompeteforlimitedfinancialresourceswhensettingbudgets.

    1 Prioritisation(e.g.usingzerobasedbudgetingcoveredinchapter7).

    2 Negotiationandcompromise.

    Shorttermism.

    ManagerscutR&Dtohitshorttermtargetsbuterodelongtermcompetences.

    ManagersrejectprojectsthatareslowstarterseventhoughtheyhavepositiveNPV.

    1 Usemorenonfinancialindicatorsthatfocusonkeylongtermissuessuchasquality,productivity,etc.(Thesearediscussedinmoredetailinchapter11).

    2 Linkbonusestolongertimeperiods.

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    Illustration 1 Conflicting objects

  • Individualism. Theriskofbudgetaryslack.Thisiswhenmanagersparticipateintargetsettingand,asaresult,makethebudgettooeasytoachieve.

    Greaterscrutinyofbudgets.

    Bettertrainingofmanagers.

    Amanagerisplanningtoretireattheendofthecurrentperiod.Hisfinalbonusisbasedontheperformanceofhisdivisionfortheperiod.

    Required:

    Suggestsomeperformancemanagementissuesthisraisesandhowtheycanberesolved.

    7Approaches to budgeting Introduction

    Thereareanumberofdifferentbudgetarysystems:

    Eachsystemwillbereviewedinturn.

    Topdownvsbottomupbudgeting Incrementalbudgeting Zerobasedbudgeting(ZBB) Rollingbudgets Activitybasedbudgeting Feedforwardcontrol

    Top down and bottom up budgeting

    Atopdownbudgetisabudgetthatissetwithoutallowingtheultimatebudgetholdertohavetheopportunitytoparticipateinthebudgetingprocess.

    Abottomupbudgetisasystemofbudgetinginwhichbudgetholdershavetheopportunitytoparticipateinsettingtheirownbudgets.Alsocalledparticipativebudgeting.

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  • Advantages of bottom up budgets

    Disadvantages of bottom up budgets

    (1) Increasedmotivationduetoownershipofthebudget

    (1) Seniormanagersmayresentlossofcontrol

    (2) Shouldcontainbetterinformationsinceemployeesmostfamiliarwiththedepartmentsetthebudget

    (2) Dysfunctionalbehaviour:budgetsmaynotbeinlinewithcorporateobjectivesasmanagerslackastrategicperspectiveandwillfocusondivisionalconcerns

    (3) Increasesmanager'sunderstandingandcommitment

    (3) Baddecisionsfrominexperiencedmanagers

    (4) Bettercommunicationbetweendepartments

    (4) Budgetpreparationisslowanddisputescanarise

    (5) Seniormanagerscanconcentrateonstrategy

    (5) Budgetaryslack: managerssettargetsthataretooeasytoachieve.

    Bottomupbudgetingisgenerallyseenaspreferablebecauseitleadstoimprovedmanagerialmotivationandperformance.However,therearesituationsforwhichtopdownbudgetingispreferable.

    Describe three situations where top down budgeting would be more applicable.

    Incremental budgets

    Anincrementalbudgetstartswiththepreviousperiodsbudgetoractualresultsandadds(orsubtracts)anincrementalamounttocoverinflationandotherknownchanges.

    Itissuitableforstablebusinesses,wherecostsarenotexpectedtochangesignificantly.Thereshouldbegoodcostcontrolandlimiteddiscretionarycosts.

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  • Advantages of incremental budgets

    Disadvantages of incremental budgets

    (1) Quickestandeasiestmethod (1) Buildsinpreviousproblemsandinefficiencies

    (2) Suitableiftheorganisationisstableandhistoricfiguresareacceptablesinceonlytheincrementneedstobejustified

    (2) Uneconomicactivitiesmaybecontinued.E.g.thefirmmaycontinuetomakeacomponentinhousewhenitmightbecheapertooutsource.

    (3) Managersmayspendunnecessarilytouseuptheirbudgetedexpenditureallowancethisyear,thusensuringtheygetthesame(oralarger)budgetnextyear.

    AWIncproducestwoproducts,AandC.Inthelastyear(20X4)itproduced640unitsofAand350unitsofCincurringcostsof$672,000.Analysisofthecostshasshownthat75%ofthetotalcostsarevariable.60%ofthesevariablecostsvaryinlinewiththenumberofAproducedandtheremainderwiththenumberofC.

    Thebudgetfortheyear20X5isnowbeingpreparedusinganincrementalbudgetingapproach.Thefollowingadditionalinformationisavailablefor20X5:

    What is the budgeted total variable cost of products A and C for the full year 20X5?

    Allcostswillbe4%higherthantheaveragepaidin20X4. Efficiencylevelswillremainunchanged. ExpectedoutputofAis750unitsandofCis340units.

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  • Zerobased budgeting

    Amethodofbudgetingthatrequireseachcostelementtobespecificallyjustified,asthoughtheactivitiestowhichthebudgetrelateswerebeingundertakenforthefirsttime.Withoutapproval,thebudgetallowanceiszero

    Itissuitablefor:

    TherearefourdistinctstagesintheimplementationofZBB:

    allocatingresourcesinareaswerespendisdiscretionary,i.e.nonessential. Forexample,researchanddevelopment,advertisingandtraining.

    publicsectororganisationssuchaslocalauthorities.

    (1) Managersshouldspecify,fortheirresponsibilitycentres,thoseactivitiesthatcanbeindividuallyevaluated.

    (2) Eachoftheindividualactivitiesisthendescribedinadecisionpackage.Thedecisionpackageshouldstatethecostsandrevenuesexpectedfromthegivenactivity.Itshouldbedrawnupinsuchawaythatthepackagecanbeevaluatedandrankedagainstotherpackages.

    (3) Eachdecisionpackageisevaluatedandrankedusuallyusingcost/benefitanalysis.

    (4) Theresourcesarethenallocatedtothevariouspackages.

    Advantages of ZBB Disadvantages of ZBB(1) Inefficientorobsoleteoperations

    canbeidentifiedanddiscontinued

    (1) Itemphasisesshorttermbenefitstothedetrimentoflongtermgoals.

    (2) ZBBleadstoincreasedstaffinvolvementatalllevelssincealotmoreinformationandworkisrequiredtocompletethebudget

    (2) Thebudgetingprocessmaybecometoorigidandtheorganisationmaynotbeabletoreacttounforeseenopportunitiesorthreats

    (3) Itrespondstochangesinthebusinessenvironment

    (3) Themanagementskillsrequiredmaynotbepresent

    (4) Knowledgeandunderstandingofthecostbehaviourpatternsoftheorganisationwillbeenhanced

    (4) Managersmayfeeldemotivatedduetothelargeamountoftimespentonthebudgetingprocess

    (5) Resourcesshouldbeallocatedefficientlyandeconomically

    (5) Rankingcanbedifficultfordifferenttypesofactivitiesorwherethebenefitsarequalitativeinnature

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  • Foranumberofyears,theresearchdivisionofZInchasproduceditsannualbudget(fornewandcontinuingprojects)usingincrementalbudgetingtechniques.Thecompanyisnowundernewmanagementandtheannualbudgetfor20X4istobepreparedusingZBBtechniques.

    Explain how Z Inc could operate a ZBB system for its research projects.

    Rolling budgets

    Abudget(usuallyannual)keptcontinuouslyuptodatebyaddinganotheraccountingperiod(e.g.monthorquarter)whentheearliestaccountingperiodhasexpired.

    Suitableif:

    accurateforecastscannotbemade. Forexample,inafastmovingenvironment.

    orforanyareaofbusinessthatneedstightcontrol.

    Atypicalrollingbudgetmightbepreparedasfollows:

    (1) Abudgetispreparedforthecomingyear(sayJanuaryDecember)brokendownintosuitable,sayquarterly,controlperiods.

    (2) Attheendofthefirstcontrolperiod(31March)acomparisonismadeofthatperiodsresultsagainstthebudget.Theconclusionsdrawnfromthisanalysisareusedtoupdatethebudgetsfortheremainingcontrolperiodsandtoaddabudgetforafurtherthreemonths,sothatthecompanyonceagainhasbudgetsavailableforthecomingyear(thistimeAprilMarch).

    (3) Theplanningprocessisrepeatedattheendofeachthreemonthcontrolperiod.

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    Illustration 2 Rolling budgets

    Additional information on decision packages

  • Advantages of rolling budgets Disadvantages of rolling budgets

    (1) Planningandcontrolwillbebasedonamoreaccuratebudget.

    (1) Rollingbudgetsaremorecostlyandtimeconsumingthanincrementalbudgets

    (2) Rollingbudgetsreducetheelementofuncertaintyinbudgetingsincetheyconcentrateontheshorttermwhenthedegreeofuncertaintyismuchsmaller.

    (2) Maydemotivateemployeesiftheyfeelthattheyspendalargeproportionoftheirtimebudgetingoriftheyfeelthatthebudgetarytargetsareconstantlychanging

    (3) Thereisalwaysabudgetthatextendsintothefuture(normally12months)

    (3) Thereisadangerthatthebudgetmaybecomethelastbudget'plusorminusabit'

    (4) Itforcesmanagementtoreassessthebudgetregularlyandtoproducebudgetswhicharemoreuptodate.

    (4) Anincreaseinbudgetingworkmayleadtolesscontroloftheactualresults

    (5) Issueswithversioncontrol,aseachmonththefullyearnumberswillchange

    (6) Confusioninmeetingsastoeachnumbersthebusinessisworkingtowardsthiscandistractfromthekeyissues.asmanagersdiscusswhichnumberstoachieve

    Acompanyusesrollingbudgetingandhasasalesbudgetasfollows

    ActualsalesforQuarter1were$123,450.Theadversevarianceisfullyexplainedbycompetitionbeingmoreintensethanexpectedandgrowthbeinglowerthananticipated.Thebudgetcommitteehasproposedthattherevisedassumptionforsalesgrowthshouldbe3%perquarter.

    Update the budget as appropriate.

    Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total$ $ $ $ $

    Sales 125,750 132,038 138,640 145,572 542,000

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    Test your understanding 8

  • Activity Based Budgeting

    ABBisdefinedas:amethodofbudgetingbasedonanactivityframeworkandutilisingcostdriverdatainthebudgetsettingandvariancefeedbackprocesses.

    Or,putmoresimply,preparingbudgetsusingoverheadcostsfromactivitybasedcostingmethodology.

    TheoperatingdivisionsofZplchaveinthepastalwaysusedatraditionalapproachtoanalysingcostsintotheirfixedandvariablecomponents.Asinglemeasureofactivitywasusedwhich,forsimplicity,wasthenumberofunitsproduced.Thenewmanagementdoesnotacceptthatsuchasimplisticapproachisappropriateforbudgetinginthemodernenvironmentandhasrequestedthatthemanagersadoptanactivitybasedapproachinfuture.

    Required:

    ExplainhowABBwouldbeimplementedbytheoperatingdivisionsofZplc.

    TheadvantagesofABBaresimilartothoseprovidedbyactivitybasedcosting(ABC).

    DisadvantagesofABB

    Itdrawsattentiontothecostsofoverheadactivitieswhichcanbealargeproportionoftotaloperatingcosts.

    Itrecognisesthatitisactivitieswhichdrivecosts. Ifwecancontrolthecauses(drivers)ofcosts,thencostsshouldbebettermanagedandunderstood.

    ABBcanprovideusefulinformationinatotalqualitymanagement(TQM)environment,byrelatingthecostofanactivitytothelevelofserviceprovided.

    Aconsiderableamountoftimeandeffortmightbeneededtoestablishthekeyactivitiesandtheircostdrivers.

    Itmaybedifficulttoidentifyclearindividualresponsibilitiesforactivities. Itcouldbearguedthatintheshorttermmanyoverheadcostsarenot

    controllableanddonotvarydirectlywithchangesinthevolumeofactivityforthecostdriver.Theonlycostvariancestoreportwouldbefixedoverheadexpenditurevariancesforeachactivity.

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    Test your understanding 9 Preparing an ABB

  • Which statement is correct regarding the benefits to be gained from using ABB?

    A IfthereismuchinefficiencywithintheoperationsofabusinessthenABBwillidentifyandremovetheseareasofinefficiency.

    B Inahighlydirectlabourintensivemanufacturingprocess,anABBapproachwillassistmanagementinbudgetingforthemajorityoftheproductioncosts.

    C Inanorganisationcurrentlyoperatingefficiently,wherethenextperiodwillberelativelyunchangedfromthecurrentone,thenABBwillmakethebudgetingprocesssimplerandquicker.

    D IfanorganisationproducesmanydifferenttypesofoutputusingdifferentcombinationsofactivitiesthenABBcanprovidemoremeaningfulinformationforbudgetarycontrol.

    Feedforward control

    Afeedforwardcontrolsystemoperatesbycomparingbudgetedresultsagainstaforecast. Controlactionistriggeredbydifferencesbetweenbudgetedandforecastedresults.

    Incontrast,afeedbacksystemwouldsimplycomparetheactualhistoricalresultswiththebudgetedresults.

    Forexample,thegraphbelowshowsthefeedbackandfeedforwardsystemforsales:

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    Activity matrix

  • Advantages of feedforward control

    Disadvantages of feedforward control

    (1) Itencouragesmanagerstobeproactiveanddealwithproblemsbeforetheyoccur

    (1) Itmaybetimeconsumingascontrolreportsmustbeproducedregularlyandlabourandtimeintensive

    (2) Reforecastingonamonthlyorcontinuousbasiscansavetimewhenitcomestocompletingaquarterlyorannualbudget

    (2) Itmayrequireasophisticatedforecastingsystem,whichcouldbeexpensive.

    (3) Takesthefocusoffthedaytodayorganisation

    Asalesmanagerreceivesmonthlycontrolreportsaboutsalesvalues.Thebudgetedsalesfortheyearto31Decemberare$600,000intotal.AttheendofAprilthemanagermightreceivethefollowingfeedbackcontrolreport.

    Alternatively,thesalesmanagermightbepresentedwithafeedforward controlreport,asfollows:

    Sales report for AprilMonth Cumulative

    Budget Actual Variance Budget Actual VarianceProduct $000 $000 $000 $000 $000 $000P1 35 38 3(F) 90 94 4(F)P2 20 14 6(A) 50 39 11(A)P3 25 23 2(A) 50 45 5(A)

    Total 80 75 5(A) 190 178 12(A)

    Sales report, AprilBudget Latest forecast

    for the yearExpected variance

    Product $000 $000 $000P1 240 250 10(F)P2 150 120 30(A)P3 210 194 16(A)

    Total 600 564 36(A)

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    Illustration 3 Feedforward control

  • Theuseofafeedforwardcontrolsystemmeansthatcorrectiveactioncanbetakentoavoidexpectedadversevariances.

    Explain why feedforward control may be particularly appropriate for the capital expenditure budget.

    8Selecting a suitable budgetary system Introduction

    Asseen,therearemanyapproachestobudgetingandanorganisationwillwishtoselectasystemwhichismostappropriate.

    Factors,whichwilldeterminesuitabilityinclude:

    typeandsizeoforganisation typeofindustry typeofproductandproductrange cultureoftheorganisation.

    Ahospitaloperatesinarelativelystablefinancialenvironment,hasaveryhighproportionoffixedcostsandadiverserangeofactivities.Factorstoconsiderwhenselectingasuitablebudgetarysystemmaybe:

    Anincrementalapproachmaybesuitableforallroutineactivities.Newventuresmayuseazerobasedapproach.

    ThefixedcostsmayneedclosecontrolandthereforesomeformofABBmaybeappropriate.

    Thecultureoftheorganisationmaydictatewhetheraparticipativeorimposedbudgetingstyleismoreeffective.Iftherearemanagerswhoaretrainedinbudgetingandcostsaremainlycontrollablethenitmaybepreferabletoadoptaparticipativeapproachtoempowerandmotivatestaff.Ifcostsaremainlyuncontrollableitmaybepreferabletouseacentrallycontrolled,imposedbudget.

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    Test your understanding 11

    Illustration 4 Selecting a suitable budgetary system

  • Select and justify a suitable budgeting system for a company operating in the mobile phone market.

    Information for budgeting

    Budgetingrequiresagreatdealofinformationthatcanbedrawnfrommanysources.

    Themainsourcesofinformationforbudgetingpurposesare:

    previousyearsactualresults otherinternalsourceswhichmayincludemanagersknowledge

    concerningthestateofrepairoffixedassets,trainingneedsofstaff,longtermrequirementsofindividualcustomers,etc.

    estimatesofcostsofnewproductsusingmethodssuchasworkstudytechniquesandtechnicalestimates.

    statisticaltechniquessuchaslinearregression(chapter8)mayhelptoforecastsales.

    models,suchastheEOQmodel,maybeusedtoforecastoptimalinventorylevels.

    externalsourcesofinformationmayincludesuppliers'pricelists,estimatesofinflationandexchangeratemovements,strategicanalysisoftheeconomicenvironment.

    Describe the sources of information required for a companys cash budget.

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    Test your understanding 13

    Change factors impacting budgeting

    Test your understanding 12

  • Changing a budgetary system

    Achangeinthebudgetarysystemcouldbringaboutimprovedplanning,controlanddecisionmaking.

    However,beforeachangeismadethefollowingissuesshouldbeconsidered:

    Aresuitablytrainedstaffavailabletoimplementthechangesuccessfully?

    Willchangingthesystemtakeupmanagementtimewhichshouldbeusedtofocusonstrategy?

    Allstaffinvolvedinthebudgetaryprocesswillneedtobetrainedinthenewsystemandunderstandtheproceduretobefollowedinchangingtothenewapproach.Alackofparticipationandunderstandingbuildsresistancetochange.

    Allcostsofthesystemschange,e.g.newsystemcosts,trainingcosts,shouldbeevaluatedagainsttheperceivedbenefits. Benefitsmaybedifficulttoquantifyandthereforearigorousinvestmentappraisaloftheprojectmaybedifficulttoprepare.

    Alargeholidaycomplexcurrentlyusesincrementalbudgetingbutisconcernedaboutitsveryhighproportionofoverheadcostsandisconsideringchangingtoanactivitybasedbudgetingsystem.Demandfollowsafairlypredictableseasonalpattern.

    Discuss the issues that should be considered before changing to a new budgetary system.

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    Test your understanding 14

  • Dealing with uncertainty in budgeting

    Budgetsareopentouncertainty. Forexample,noncontrollablefactorssuchasarecessionorachangeinpriceschargedbysupplierswillcontributetouncertaintyinthebudgetsettingprocess.

    Thereareseveraltechniquesavailabletohelpdealwithuncertainty. Thesehavebeendiscussedbeforeandinclude:

    Flexiblebudgets: thesearebudgetswhich,byrecognisingdifferentcostbehaviourpatterns,aredesignedtochangeasthevolumeofactivitychanges.Flexiblebudgetsarepreparedundermarginalcostingprinciples,andsomixedcostsaresplitintotheirfixedandvariablecomponents.Thisisusefulatthecontrolstage:itisnecessarytocompareactualresultstotheactuallevelofactivityachievedagainsttheresultsthatshouldhavebeenexpectedatthislevelofactivitywhichareshownbytheflexiblebudget(moreonnextchapter).

    Rollingbudgets: thebudgetisupdatedregularlyand,asaresult,uncertaintyisreduced.

    Sensitivityanalysis: variablescanbechangedoneatatimeandalargenumberofbudgetsproduced. Forexample,whatwouldhappeniftheactualsalesvolumewasonly75%ofthebudgetedamount?

    Simulation: similartosensitivityanalysisbutitispossibletochangemorethanonevariableatatime.

    Spreadsheets

    Aspreadsheetisacomputerpackagewhichstoresdatainamatrixformatwheretheintersectionofeachrowandcolumnisreferredtoasacell. Theyarecommonlyusedtoassistinthebudgetingprocess.

    Advantages of spreadsheets

    Closing cash balances

    Largeenoughtoincludealargevolumeofinformation Formulaeandlookuptablescanbeusedsothatifanyfigureis

    amended,allthefigureswillbeimmediatelyrecalculated.Thisisveryusefulforcarryingoutsensitivityanalysis.

    Theresultscanbeprintedoutordistributedtootheruserselectronicallyquicklyandeasily.

    Mostprogramscanalsorepresenttheresultsgraphicallye.g.balancescanbeshowninabarchart:

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  • Disadvantages of spreadsheets:

    Spreadsheetsforaparticularbudgetingapplicationwilltaketimetodevelop.Thebenefitofthespreadsheetmustbegreaterthanthecostofdevelopingandmaintainingit.

    Datacanbeaccidentallychanged(ordeleted)withouttheuserbeingawareofthisoccurring.

    Errorsindesign,particularlyintheuseofformulae,canproduceinvalidoutput.Duetothecomplexityofthemodel,thesedesignerrorsmaybedifficulttolocate.

    Datausedwillbesubjecttoahighdegreeofuncertainty. Thismaybeforgottenandthedatausedtoproduce,whatisconsideredtobe,an'accurate'report.

    Securityissues,suchastheriskunauthorisedaccess(e.g.hacking)oralossofdata(e.g.duetofireortheft).

    Versioncontrolissuescanarise. Educatingstafftousespreadsheets/modelsandwhichareas/cellsto

    useasinputscanbetimeconsuming.

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  • Whenproducingamasterbudgetmanuallythemajorproblemisensuringthatanyinitialentryinthebudgetoranyadjustmenttoabudgetitemisdealtwithineverybudgetthatisrelevantineffect,budgetsneedtocomplywithnormaldoubleentryprinciplestobeconsistent.

    Suppose, for instance, that sales in the last month were expected to rise by $10,000, what adjustments would be necessary?

    Usingspreadsheetsalloftheaboveadjustmentscouldbeprocessedautomaticallyiftherelevantformulaeweresetupproperly.Receivables,costofsales,purchases,payables,cash,inventoryandprofitcouldchangeinstantlyonadjustingsalesofmonth12.

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    Illustration 5 Using spreadsheets in budgeting

  • 9Chapter summary

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  • Test your understanding answers

    Thekeypointhereisthattheanswerdependsonwhoawardedthepayincrease.

    Ifthiswastheproductionmanagersdecision,thenthecostwouldbecontrollable.Dependingonthecultureofthefirm,themanagerwouldthenbeunderpressuretoexplainwhytheydepartedfromthebudgetinthisinstance.

    Ifawardedby,say,theboardofdirectors,thenthecostincreasewasnotcontrollablebythemanagerandshouldnotfeatureintheirappraisal.

    Note: Theconceptofcontrollabilityisimportantfortheexam.

    Themanagermaytryto:

    Theprocesscanbeimprovedbymeasuringperformanceagainstavarietyoftargets,includingnonfinancialtargets,andlinkingperformancetolongtermobjectives.

    delaydiscretionaryshorttermexpenditure,e.g.maintenance,attheexpenseoflongtermperformancetoimproveresults.

    manipulateresultstomakesuretherelevanttargetsareachieved. incorporatebudgetaryslackintothetargetstomakethemeasierto

    achieve.

    Salesareexpectedtobe$550,000110%103%=$623,150.Themanagermayacceptthisasafairtargetforperformanceappraisal,planningandcontrolpurposes.Toencouragethemanagertoimprovefurtheranaspirationstargetincorporatingafurtherimprovement,sayto$650,000,couldbeusedandlinkedtotherewardsystem.

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    Test your understanding 1 Evaluation of managers

    Test your understanding 2

    Test your understanding 3

  • Thekeyissueisshorttermismthemanagermayacttoincreaseprofitforthisperiod(thusincreasinghisfinalbonus)withoutanyconsiderationoflongertermimplications.Thesecouldinclude:

    Itwillbedifficulttolinkthebonustoalongertimescaleasthemanagerwillhaveretired.Insteadanonaccountingstylefocussingonquality,productivity,brandawareness,marketshare,etccouldbeadopted,ifnotalreadyinplace.

    cuttingR&D cuttingmarketingexpenditure cuttingbackontraining rejectingprojectsthatdonothavehighreturnsinyear1 sackingnoncorestaff.

    (1) Operationalmanagersmaynothavetheknowledgeandexperiencetosetabudget.Forexample,inasmallbusinessonlytheownermaybeinvolvedinallaspectsofthebusinessandmaythereforesetthebudget.

    (2) Intimesofcrisistheremaybeinsufficienttimetosetaparticipativebudgetandtargetsmayhavetobeimposedtoensuresurvival.

    (3) Participationhastobegenuineforittoresultinimprovedmotivation.Pseudoparticipation,whereseniormanagersseektheopinionsoftheultimatebudgetholdersbutdonotactontheseviews,mayleadtodemotivation.

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    Test your understanding 4

    Test your understanding 5

  • Total variable cost Variable cost per unit20X4:ProductA

    $672,00075%60%=$302,400

    $302,000640units=$472.50

    ProductC

    $672,00075%40%=$201,600

    $201,600350units=$576

    20X5:ProductA

    $472.501.04750units=$368,550

    n/a

    ProductC

    $5761.04340units=$203,674

    n/a

    Stage 1: Managersshouldspecifytheactivitiesthatcanbeevaluated

    Themanagers/researchersresponsibleforeachprojectshoulddecidewhichprojectstheywishtoundertakeintheforthcomingperiod.Theseprojectswillbeamixtureofcontinuedprojectsandnewprojects.

    Stage 2: Eachactivityisdescribedinadecisionpackage

    Fortheprojectswhichhavealreadybeenstartedandwhichthemanagerswanttocontinueinthenextperiod,weshouldignoreanycashflowsalreadyincurred(theyaresunkcosts),andweshouldonlylookatfuturecostsandbenefits.Similarly,forthenewprojectsweshouldonlylookatthefuturecostsandbenefits.

    Stage 3: Eachdecisionpackageisevaluatedandranked

    Differentwaysofachievingthesameresearchgoalsshouldalsobeinvestigatedandtheprojectsshouldonlygoaheadifthebenefitexceedsthecost.

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    Test your understanding 6

    Test your understanding 7

  • Stage 4: Resourcesareallocatedtothevariouspackages

    Onceallthepotentialprojectshavebeenevaluatedifthereareinsufficientfundstoundertakealltheworthwhileprojects,thenthefundsshouldbeallocatedtothebestprojectsonthebasisofacostbenefitanalysis.

    ZBBisusuallyofahighlysubjectivenature.(Thecostsareoftenreasonablycertain,butusuallyalotofuncertaintyisattachedtotheestimatedbenefits.)Thiscanbeshownbytheexampleofaresearchdivisionwheretheresearchersmayhavetheirownpetprojects,whichtheyareunabletoviewinanobjectivelight.

    Therevisedbudgetshouldincorporate3%growthstartingfromtheactualsalesfigureofQuarter1andshouldincludeafigureforQuarter1ofthefollowingyear.

    Quarter 2 Quarter3 Quarter 4 Quarter 1 Total$ $ $ $ $

    Sales 127,154 130,969 134,898 138,945 531,966

    Step 1 IdentifycostpoolsandcostdriversStep 2 Calculateabudgetedcostdriverratebasedonbudgeted

    costandbudgetedactivityStep 3 Produceabudgetforeachdepartmentorproductby

    multiplyingthebudgetedcostdriverratebytheexpectedusage.

    Disthecorrectanswer.

    SituationAwouldbebestsuitedbyimplementingZeroBaseBudgeting.SituationBdoesnotrequireABBsinceithasrelativelylowoverheads.SituationCwouldbesuitableforincrementalbudgeting.ABBwillcertainlynotbequicker.

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    Test your understanding 10

    Test your understanding 8

    Test your understanding 9 Preparing an ABB

  • Capitalexpenditureisoftenlongterminnature.Itismoreusefultocompareactualcoststoforecastcompletioncostssothatactioncanbetakenwhenaprojectisinprogressratherthanwaitingforcompletion.

    Themobilephonemarketisintenselycompetitivesoacompanywillneedsophisticatedsystemstogatherinformationaboutthemarketandcompetitors.Themarketisalsofastchangingsoarollingbudgetapproachmaybesuitabletokeepbudgettargetsuptodate.Itwillbeveryimportanttoincorporatethelatestinformationintobudgetsandaparticipativeapproachwillbeimportantasproductionmanagersandsalesmanagersmayhavelocalknowledgewhichwouldimprovethebudgetingprocess.

    Internalinformationwillberequiredfromthe:

    Externalinformationmayberequiredrelatingtoforecastinterestrates,taxrates,paymenttermsfortax,exchangerates,inflation,etc.

    salesdepartmentrelatingtovolumeandestimatedcollectionperiods

    theproductionmanagerwillestimatematerial,labourandoverheadusage

    thepurchasingmanagerwillestimatematerialpricesandpaymentterms

    humanresourceswillforecastpayrates,bonuspaymentsandovertimerequirements

    thefinanceofficemayforecastpaymentsofinterest,dividendsandgeneralofficecosts.

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    Test your understanding 11

    Test your understanding 12

  • Ananalysisofoverheadsshouldbecarriedouttodeterminetheproportionthathaveidentifiablecostdriverswhichdifferfromthenormalvolumerelatedcostdriverswhichmaybeusedwhencarryingoutincrementalbudgeting.IfasubstantialvolumeofoverheadisnonvolumerelatedthenimplementingABBmayleadtomoreaccurateplanningandcontrol.

    Issues,whichshouldthenbeconsideredinclude:

    thedevelopmentorpurchaseofasuitablecomputersystemtosupportanABBprocess

    trainingofstafftooperateandinterprettheinformationproduced developmentofanimplementationplanandwhetherthisshouldrun

    intandemwiththeexistingprocessforatrialperiod.

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  • Budgeting

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  • QuantitativeanalysisChapter learning objectives

    Uponcompletionofthischapteryouwillbeableto:

    explainandevaluatetheuseofhigh/lowanalysistoseparatethefixedandvariableelementsoftotalcost

    explainandevaluatetheuseofregressionanalysistoseparatethefixedandvariableelementsoftotalcost

    explaintheuseofjudgementandexperienceinforecasting explainthelearningcurveeffect estimatethelearningeffectandapplythistoabudgetary

    problem

    calculateproductiontimeswhenthelearningcurvehasreachedasteadystate

    explainthelimitationsofthelearningcurvemodel.

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    chapter

    9

  • 1High/low analysis

    Amethodofanalysingasemivariablecostintoitsfixedandvariableelementsbasedonananalysisofhistoricalinformationaboutcostsatdifferentactivitylevels.

    Thefixedandvariablecostscanthenbeusedtoforecastthetotalcostatanylevelofactivity.

    Theapproachisasfollows:

    Step 1

    Selectthehighestandlowestactivitylevels,andtheircosts.

    Step 2

    Findthevariablecost/unit.

    Variablecost/unit=(CostathighlevelofactivityCostatlowlevelactivity)/(HighlevelactivityLowlevelactivity)

    Step 3

    Findthefixedcost,usingeitherthehighorlowactivitylevel.

    Fixedcost=TotalcostatactivitylevelTotalvariablecost

    Step 4

    Usethevariableandfixedcosttoforecastthetotalcostforaspecifiedlevelofactivity.

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  • Advantages of high/ low analysis

    Disadvantages of high/ low analysis

    Thehighlowmethodhastheenormousadvantageofsimplicity. Itiseasytounderstandandeasytouse.

    Itassumesthatactivityistheonlyfactoraffectingcosts. Itassumesthathistoricalcostsreliablypredictfuturecosts. Itusesonlytwovalues,thehighestandthelowest,sotheresultsmaybe

    distortedduetorandomvariationsinthesevalues.

    Costdataforthesixmonthsto31December20X8isasfollows:

    Required:

    Usehigh/lowanalysistofindthevariablecostperunitandthetotalfixedcost. Forecastthetotalcostwhen500unitsareproduced.

    Month Units Inspection costs $July 340 2,240August 300 2,160September 380 2,320October 420 2,400November 400 2,360December 360 2,280

    2Regression analysis

    Introduction

    Regressionisanothermethodofforecasting. Itinvolvesusinghistoricaldatatofindthelineofbestfitbetweentwovariables(onedependentontheother),andusesthisstraightlinetopredictfuturevalues.

    Ascatterdiagramcanbedrawn:

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    Test your understanding 1

    Additional example on high/low

  • Thedependentvariableisyandmustalwaysbeontheverticalaxis,e.g.sales.

    Theindependentvariableisxandalwaysgoesonthehorizontalaxis,e.g.advertisingspend.

    Scatter diagram

    Theaimistofindthebestline(thelineofbestfit)throughthecentreofthisdiagram.

    Thisstraightlinecanthenbeusedforforecasting,e.g.toforecastsalesforanylevelofadvertisingspend.

    Equation of a straight line

    Theequationofastraightlineis y=a+bx

    Itcanbetimeconsumingtofindthevaluesof'a'and'b'bydrawingthescatterdiagram. Instead,thefollowingformulaecanbeusedtofindthesevalues.

    wheren=samplesize

    (a) istheinterceptwiththeyaxis (b) isthegradientorslope

    b=[nxyxy]/[nx2(x)2]

    a=(y/n)(bx/n)

    Bothoftheseformulaearegivenintheexamination.

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  • Acompanyhasrecordedexpenditureonadvertisingandresultingsalesforsixmonthsasfollows:

    Required:

    Month Advertising expenditure Salesx y

    $000 $000March 20 170April 40 240May 50 260June 60 300July 30 220August 40 250

    (a) Plotthedataonascatterdiagramandcomment.

    (b) Calculatethevaluesof'a'and'b'andcomment.

    (c) Whatistheequationofthelineofbestfit?

    (d) Forecastsaleswhenadvertisingexpenditureis:

    andcommentonyouranswers.

    (i) $50,000

    (ii) $100,000

    Correlation coefficient

    Thestrengthofthelinearrelationshipbetweenthetwovariables(andhencetheusefulnessoftheregressionlineequation)canbeassessedbycalculatingthecorrelationcoefficient(r):

    Thecorrelationcoefficientwillbebetween1and+1.

    riscloseto+1: thereisastrongpositivecorrelationbetweenthetwovariables

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    Additional example on regression analysis

    Test your understanding 2

  • Thecloserthecoefficientisto+1or1,thebetterregressionanalysiswillbeasamethodofforecasting.

    Usingthedatafromtheprevioustestyourunderstanding:

    Coefficient of determination

    Thecoefficientofdetermination=r2

    Itshowsthepercentagechangeinthedependentvariable,e.g.sales,thatcanbeexplainedbyachangeintheindependentvariable,e.g.advertisingspend.

    Usingthedatafromtheprevioustestyourunderstanding:

    r2=0.957

    Thus95.7%oftheobservedvariationinsalescanbeexplainedasbeingduetochangesintheadvertisingspend.Thiswouldgivestrongassurancesthattheforecastsmadeusingtheregressionequationarevalid.

    riscloseto1:thereisastrongnegativecorrelationbetweenthetwovariables

    riscloseto0:thereislittlerelationshipbetweenthetwovariables

    3Learning curves Introduction

    Asworkersbecomemorefamiliarwiththeproductionofanewproduct,averagetime(andaveragecost)perunitwilldecline.

    Wrights Law:ascumulativeoutputdoubles,thecumulativeaveragetimeperunitfallstoafixedpercentage(referredtoasthelearningrate)ofthepreviousaveragetime.

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  • Ascanbeseenonthegraph,eventuallythecurvebecomesalmosthorizontalwhenmanyunitshavebeenproduced,asthelearningeffectislostandproductiontimeperunitbecomesaconstant.

    Learning curve calculations

    Thelearningcurveeffectcanbecalculatedby:

    Bothmethodswillgivethesameanswer. However,theformulaisquickerandeasiertouseintheexam.

    Method 1: setupatableandreducetheaveragetimebythelearningrateeachtimetheoutputdoubles.

    Method 2:usingtheformulay=axby= cumulativeaveragetime(oraveragecost)perunitorperbatcha= time(orcost)forfirstunitorbatchb= logr/log2(r=rateoflearning,expressedasadecimal)x= cumulativeoutputinunitsorinbatches

    Assumethatithastaken400directlabourhourstomanufacturethefirstunitofanewproduct.Asinthepastforthisbusinessitisanticipatedthata75%learningcurvewilloccur.

    Required:

    Setupatableshowing:

    Theaveragetimetakenforthe2ndandthe4thunit. Thetotaltimetakenfor2unitsandfor4units.

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    Test your understanding 3 Method 1

  • Using the information from the