What does this graph show?
a. The marginal benefit decreases as the cost increases.
b. The marginal benefit increases as the cost increases.
c. The marginal cost is the same for all acres.
d. The marginal benefit is never greater than the marginal cost.

What does this graph show a The marginal benefit decreases as the cost increases b The marginal benefit increases as the cost increases c The marginal cost is t class=