People Make Decisions at the Margin

Multiple Choice

People make decisions at the margin.Therefore,when deciding whether to purchase a second car,they would compare:

A) the dollar cost of having two cars with the potential income the two cars may generate.
B) the additional benefits expected from a second car with the total cost of the two cars.
C) the additional benefits expected from a second car with the additional costs of the second car.
D) None of the answers is correct.