Sales contains the quarterly sales for a small company over the period 1981–2005. AdBudget is the advertising budget and GDP is the gross domestic product. All series have been adjusted for inflation.Date Sales AdBudget GDP

Mar-81 1020.2 659.2 251.8Jun-81 889.2 589 290.9Sep-81 795 512.5 290.8Dec-81 1003.9 614.1 292.4Mar-82 1057.7 647.2 279.1Jun-82 944.4 602 254Sep-82 778.5 530.7 295.6Dec-82 932.5 608.4 271.7Mar-83 996.5 637.9 259.6Jun-83 907.7 582.4 280.5Sep-83 735.1 506.8 287.2Dec-83 958.1 606.7 278Mar-84 1034.1 658.7 256.8Jun-84 992.8 614.9 271Sep-84 791.7 489.9 300.9Dec-84 914.2 586.5 289.8Mar-85 1106.5 663 266.8Jun-85 985.1 591.7 273.7Sep-85 823.9 502.2 301.3Dec-85 1025.1 616.4 285.6Mar-86 1064.7 647.1 270.6Jun-86 981.9 615.5 274.6Sep-86 828.3 514.8 299.7Dec-86 940.7 609.1 275.9Mar-87 991.1 641.3 279.3Jun-87 1021.2 620.2 290.8Sep-87 796.7 511.2 295.6Dec-87 986.6 621.3 271.9Mar-88 1054.2 645.3 267.4Jun-88 1018.7 616 281Sep-88 815.6 503.2 309Dec-88 1010.6 617.5 266.7Mar-89 1071.5 642.8 283.5Jun-89 954 585.6 282.3Sep-89 822.9 520.6 289.2Dec-89 867.5 608.6 270.7Mar-90 1002.3 645.7 266.5Jun-90 972 597.4 287.9Sep-90 782.9 499.8 287.6Dec-90 972.8 601.8 283.4Mar-91 1108 650.8 266.4Jun-91 943.7 588.3 292.3Sep-91 806.1 491.6 330.6Dec-91 954.2 603.3 286.2Mar-92 1115.5 663.2 259.2Jun-92 927.1 614 263.7

Sep-92 800.7 506.3 288.2Dec-92 955.7 606.2 274.1Mar-93 1049.8 639.5 287.1Jun-93 886 585.9 285.5Sep-93 786.4 492.2 303.7Dec-93 991.3 610.4 275.6Mar-94 1113.9 660.8 249.3Jun-94 924.5 612.2 272.9Sep-94 771.4 509.2 289.8Dec-94 949.8 612.1 269.2Mar-95 990.5 653.2 261.3Jun-95 1071.4 605.3 292.9Sep-95 854.1 506.6 304.6Dec-95 929.8 597.4 276.3Mar-96 959.6 635.2 268.2Jun-96 991.1 611.6 293.5Sep-96 832.9 503.8 311.1Dec-96 1006.1 609.9 273.7Mar-97 1040.7 645.2 267.5Jun-97 1026.3 609.8 271.9Sep-97 785.9 512.1 308.8Dec-97 997.6 603.7 282.9Mar-98 1055 639.4 268.4Jun-98 925.6 601.6 271.4Sep-98 805.6 497 292.1Dec-98 934.1 602.8 287.6Mar-99 1081.7 647.3 258Jun-99 1062.3 612.5 282.9Sep-99 798.8 492.2 295Dec-99 1014.3 610.8 271.2Mar-00 1049.5 646.5 275.4Jun-00 961.7 603.3 284Sep-00 793.4 503.8 300.9Dec-00 872.3 598.3 277.4Mar-01 1014.2 649.4 273.8Jun-01 952.6 620.2 288.4Sep-01 792.4 497.9 283.4Dec-01 922.3 609.2 273.4Mar-02 1055.9 665.9 271.5Jun-02 906.2 600.4 283.6Sep-02 811.2 502.3 290.6Dec-02 1005.8 605.6 289.1Mar-03 1013.8 647.6 282.2Jun-03 905.6 583.5 285.6Sep-03 957.3 502.5 304Dec-03 1059.5 625.9 271.5Mar-04 1090.6 648.7 263.9Jun-04 998.9 610.7 288.3

Sep-04 866.6 519.1 290.2Dec-04 1018.7 634.9 284Mar-05 1112.5 663.1 270.9Jun-05 997.4 583.3 294.7Sep-05 826.8 508.6 292.2Dec-05 992.6 634.2 255.1

Sales contains the quarterly sales for a small company over the period 1981–2005. AdBudget is the advertising budget and GDP is the gross domestic product. All series have been adjusted for inflation.