You Want to Sell Your Old IPad to Your Cousin

Multiple Choice

You want to sell your old iPad to your cousin, who wants to give you $300 for it. You will have to pay $40 to ship the iPad to your cousin. As a rational decision maker, you should:

A) sell it because the marginal benefit is smaller than the marginal cost.
B) not sell it because the marginal benefit is smaller than the marginal cost.
C) sell it because the marginal benefit is greater than the marginal cost.
D) not sell it because the marginal benefit is greater than the marginal cost.
E) sell it because the marginal benefit is equal to the marginal cost.