Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
Figure: Market Failure
-(Figure: Market Failure) Use Figure: Market Failure.In the figure,if production in this competitive market is at quantity E:

A) marginal benefit is equal to marginal cost.
B) marginal benefit is less than marginal cost.
C) marginal benefit is greater than marginal cost.
D) price is equal to marginal cost and greater than marginal benefit.