26) Employees at Bank of America are good at providing banking services and workers at Ben & Jerry's are good at making ice cream. The figure above shows the marginal cost and marginal benefit curves for ice cream. As Ben & Jerry's increases production from 1 to 2 million gallons of ice cream, the

A) opportunity cost of ice cream increases to 2 banking services per gallon.

B) marginal cost curve shifts downward.

C) marginal cost curve shifts upward.

D) opportunity cost of ice cream decreases.