MC and MB Refer to the Marginal Cost and Marginal

MC and MB refer to the marginal cost and marginal benefit,respectively,of obtaining additional information.
-Refer to the diagram above.The growth of access to the Internet would cause the

A) marginal cost curve to shift from MC to MC2.
B) marginal benefit curve to shift from MB to MB1.
C) marginal cost curve to shift from MC2 to MC.
D) marginal benefit curve to shift from MB1 to MB.
E) equilibrium amount of information to decline.