In 2009, the Social Security System ran a surplus of approximately $137 billion

During the Chinese experience with pegging the yuan to the dollar, the yuan was undervalued. As a result,

A) the prices of Chinese exports were higher than they would have been without the peg. B) the equilibrium value of the yuan was below the pegged value of the yuan. C) there was a surplus of yuan on the market that the Chinese government had to purchase to maintain the peg, depleting China's reserves of dollars. D) there was a surplus of dollars on the market that the Chinese government had to purchase to maintain the peg.

You withdraw $100 from your checking account. How does this affect the money supply and the reserves of your bank?

a. The money supply increases, and the reserves of your bank decline. b. Both money supply and the reserves of your bank increase. c. There is no change in the money supply, and the reserves of your bank decline. d. The money supply decreases, and the reserves of your bank increase.