A Firm Should _____ Output Whenever MR Exceeds MC Because

A firm should _____ output whenever MR exceeds MC because _____.

A) reduce; revenues will rise by more than costs, increasing the firm's profit
B) reduce; total revenues exceed total costs
C) expand; revenues will rise by more than costs, increasing the firm's profit
D) not change; selling more output will increase marginal revenue by less than marginal cost