7 .

. . .

(fixed cost FC) , , , .. (variable cost VC) , . , , ..TC = FC + VC

(AFC Average fixed cost) . AFC = FC/Q. (AVC Average variable cost) . AVC = VC/Q. (ATC Average total cost) . ATC = TC/Q ATC = AFC + AVC

MC (Marginal Cost) , , , , . MC = TC/Q MC = VC/Q :TC = (FC + VC) = FC + VC ( FC = 0) = VC

. . . , .

ATC (economies of scale). ATC (diseconomies of scale). ATC . . .. Renault , ATC .

.. . Renault, . ATC .