Use the information in the T-account for the Banking System to answer questions If the required reserve ratio is 12.5 percent, the banking system currently has excess reserves equal to: a. exist12.5 billion b. exist50 billion. c. exist2.5 billion. d. exist0. If the required reserve ratio is 12.5 percent, the simple deposit multiplier is equal to. a. 2. b. 4. c. 8. d. 12.5. If every bank in the system with a 12.5 percent required reserve ratio continues new loans until excess reserves in the entire system are equal to zero and there leakages, then checkable deposits can increase by a maximum of