If the required reserve ratio is 10 percent, what will be the maximum change in the money supply in each of the following situations?

1. Ms. Cruz deposits in Bank Two a check drawn on Bank Three?
2. Ms. Cruz buys a $5000 U.S. government bond from the Fed by drawing on her checking account.
3. Ms. Cruz sells a $10,000 U.S. government bond to the Fed and deposits the $10,000 in Bank Three?
4. Ms. Cruz finds $2,000 in coins and paper currency buried in her backyard and deposits that money in her checking account.