单选题 A firm in a perfectly competitive industry that seeks to maximize profit is most likely to continue production in the short run as long as which of the following conditions exists? Price is equal to or greater than :

A、 average fixed cost.
B、 average total cost.
C、 average variable costs.

【正确答案】 C

【答案解析】If a firm is covering its average variable costs, it will continue to operate in the short run since it is covering some portion of its fixed costs.