People Make Decisions at the Margin

Multiple Choice

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

A) the total benefits expected from two cars with the costs of the two cars.
B) the additional benefits expected from a second car with the total cost of the two cars.
C) the dollar cost of the two cars with the potential income that the two cars will generate.
D) the additional benefits of the second car with the additional costs of the second car.