Suppose the velocity of money is constant. The money stock is growing 5% per year, Real GDP is growing 2% per year, and the real interest rate is 4 percent. a. Calculate the growth rate of nominal GDP and the inflation rate. b. Calculate the nominal interest rate. c. Suppose the growth rate of real GDP falls to 1% per year. Calculate the new inflation rate. d. Compute a new growth rate of the money stock which will allow the Fed to restore the initial inflation rate as derived in part a.