What percentage of all banks in the United States belong to the Federal Reserve System?

In 2011, apples cost $1.49 a pound. Suppose the CPI was 120 in 2011 and 140 in 2012. If there is no change in the real price of an apple in 2012, what is the price of a pound of apples in 2012?

A) $2.74 B) $1.69 C) $1.66 D) $1.74 E) $1.28

If the demand for money is insensitive to the interest rate, then the most effective expansionary policy would be

a. fiscal policy. b. monetary policy. c. neither fiscal nor monetary policy. d. both fiscal and monetary policy.