answers with details please

3. Suppose Grob s Bank had the following balance sheet: Cash Assets (Reserves) supsose further that the required reserve rario sols 1) Is the bank holding more or less than its required reserves? 2) Suppose the Fed engages in coetractionary monetary policyby trading a S2000 band, would the Fed buy or sell the bond? 3) What is the initial effect on the bank's balance she at Grob's bank? 4 what will be the total change in the money supply? 5) Explain how the Fed's policy effects: interest rates, investment, (iii) and (iv) equilibrium aggregate demand. Use carefully labeled graphs in your