Problem: In a perfectly competitive industry, the market price is $25. A firm is currently producing 10,000 units of output, its average total cost is $28, its marginal cost is $20, and its average variable cost is $20. Given these facts, explain whether the following statements are true or false:
a. The firm is currently producing at the minimum average variable cost.
b. The firm should produce more output to maximize its profit.
c. Average total cost will be less than $28 at the level of output that maximizes the firm's profit.