can you solve each and show me the equation/work you used to get to you're answer

Assume initially the re are no excess reserves in the banking system. If the Fed buys 55 billion worth of government securities from banks: T- Account for the Banking System Assets Liabilities Bank Reserves: $25 billion Deposits: $250 billion Loans: $22!} billion Securities: $5 billion Select an answer and submit. For keyboard navigation] use the uofclown arrow keys to select an answer. a bank reserves increase to $30 billion and excess reserves increase to $5 billion. b bank reserves stayr 525 billion but excess reserves increase by $5 billion. :1 bank reserves increase to $30 billion but excess reserves stag.f 50. d bank rese WES increase to $30 billion and excess reserve-1 increase to $4.5 billion. Assume initially there are no excess reserves in the banking system. After a $5 billion purchase of securities {bonds} from banks by the Fed, ifall banks make loans until excess reserves equal zero and there are no cash leakages, cheekable deposits can expand as a result of new.r lending by a maximum of: T- Account for the Banking System Assets Liabilities Bank Reserves: $25 billion Deposits: $250 billion Loans: $220 billion Securities: $5 billion Select an answer and submit. For keyboard navigation; use the uofdown arrow keys to select an answer. a $5 billion. b $10 billion. 1:: $3!) billion. d $50 billion. If the reserve ratio is 12.5% and the Fed sells $10 billion in bonds (securities) to banks, then the maximum potential change in deposits is: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a -$80 billion. b -$10 billion. C $80 billion. d $10 billion