Use the money market framework to answer the following questions.

a) (10 pts.) Suppose that the price level (P) rose. Holding everything else constant, how would this affect real interest rates? Show your answers using graphs.

b) (12 pts.) Now suppose that the Federal Reserve wanted to reverse the change in interest rates described in part (a). Would the Fed increase or decrease the nominal money supply (MS )? Briefly explain. Show your answers using graphs.