The Marginal Cost of a Good or Service

Multiple Choice

The marginal cost of a good or service

A) graphs as a positively sloped curve, so it cannot be derived from the production possibilities frontier, which is downward sloping.
B) can be derived from the production possibilities frontier.
C) can be calculated from the marginal benefit of that good or service.
D) decreases as more of the good or service is produced.
E) None of the above answers is correct.