Using the Language of Calculus to Explain the Following Economic

Using the language of calculus to explain the following economic principles for output price decisions.(a) Maximum profit requires the firm to choose the level of output at which marginal revenue is equal to marginal cost.(b) A change in fixed cost will not change the profit maximizing level of output.(c) It may pay a firm to expand its output if it is selling at a price greater than marginal cost, even if that price happens to be below average cost.