When the Marginal Cost of a Price-Taking Firm Is Less

When the marginal cost of a price-taking firm is less than the market price of its product,the firm should:

A) expand output (provided that price is not less than average variable cost) .
B) reduce output (provided that price is not less than average variable cost) .
C) maintain output (provided that price is not less than average variable cost) .
D) charge more than the market price.