The following shows the T-account of the entire banking system. Use this to answer the questions. Be sure to label your answers properly. And show work. Assets Liabilities $1,000 Deposits Total Reserves Securities $250 $350 Loans $400 a) Suppose that initially the required reserve ratio was 25%. The Federal Reserve changes the required reserve ratio to 20%. What is the potential deposit creation and the change in money supply as a result? (2 points) b) Suppose that the Fed purchases $150 in securities from the banking system. What is the potential deposit creation and the change in money supply as a result? (2 points)