As of 2008, with which of the following countries did the U.S. not have a preferential trade agreement?

The figure above shows Diane's demand curve for soda. The price of a soda is $1.00. Diane's consumer surplus from her 10th soda is

A) $0.00. B) $0.50. C) $1.00. D) $1.50. E) $2.50.

In Figure 4-5 above, suppose that real income is YB and the money market is in equilibrium. The interest rate at this point is ________ to support commodity market equilibrium, so that involuntary inventory changes are ________

A) too low, positive B) too low, negative C) just right, zero D) too high, positive E) too high, negative