Refer to the above data. Answer the next question on the basis of the consolidated balance sheet of the commercial banking system. Assume that the reserve requirement is 20 percent. All figures are in billions and each question should be answered independently of changes specified in all preceding ones. Suppose the Fed wants to reduce the money supply by $200 billion to drive up interest rates and dampen inflation. To accomplish this it could increase the reserve requirement from 20 percent to:

25 percent.