。1.0 IntroductionThis report is mainly about the explanation of a minimum of three costs to the Sony firm, the description of the characteristics, price and output behavior of oligopoly structure and monopoly structure with the aid of relevant diagrams, the objective of profit maximization and growth maximization theory. 2.0 Cost 2.1 Total CostFixed costs (FC): costs do not vary with the level of output. Variable costs (VC): costs do vary with the level of output. Total Cost (TC) is t