Does the market system result in productive​ efficiency? In the long​ run, perfect competition

A. does not result in productive efficiency because barriers to entry result in firms making a profit.

B. results in productive efficiency because firms enter and exit until they break even where price equals minimum average cost.

C. does not result in productive efficiency because​ price-taking firms produce where price equals marginal cost.

D. results in productive efficiency because every good or service is produced up to the point where the last unit provides a marginal benefit to consumers equal to the marginal cost of producing it.

E. results in productive efficiency because production represents consumer preferences