Which of the Following Statements Best Expresses a Firm's Profit-Maximizing

Multiple Choice

Which of the following statements best expresses a firm's profit-maximizing decision rule?

A) If marginal revenue is greater than marginal cost, the firm should increase its output.
B) If marginal revenue is less than marginal cost, the firm should shut down in the short run.
C) If marginal revenue equals marginal cost, the firm should produce exactly one more unit of output.
D) All of the above are correct.