Macroeconomic help. please show work so i can see how to do it.

Q U ESTION 28 All else equal, assuming that banks do not hold excess reserves, if the required reserve ratio in the economy is lowered, deposits in the economy will likely increase. 0 deposits in the economy will likely decrease. O deposits in the economy will likely remain the same. Q U ESTION 29 Suppose that commercial banks do not hold excess reserves. In this case, the reserve ratio equals the required reserve ratio. 0 is less than the required reserve ratio. 0 is greater than the required reserve ratio. Q U ESTION 30 Suppose a bank's deposit liabilities increase by $10 million. If the required reserve ratio is 20 percent, bank reserves will increase by O $1 million 0 $2 million 0 $8 million Q U ESTION 31 Suppose people hold $1000 million of currency, total checking deposits in the commercial banking system are $5 000 million, and commercial bank reserves (held at the Federal Reserve) are $5 00 million. In this case, (assuming no traveler's checks), the M1 money supply equals 0 $1500 million 0 $5000 million 0 $6000 million 0 $6500 million