单选题
编号：2695382
1. A firm in a perfectly competitive environment has its total costs equal to total revenue and marginal costs greater than marginal revenue. Given this, which of the following strategies is most appropriate? The firm should:
- A.Shut down in the short run and exit in the long run
- B.Increase its level of production to enter profit territory
- C.Decrease its level of production to enter profit territory.