Show the changes in T accounts of the Fed, Treasury, Banks and the Public resulting from the following transactions, and explain the impact on the monetary base and money supply (required reserve ratio is 10%).

1. Treasury finances the budget deficit of $100mnby selling a bond to the public.
2. Treasury finances the budget deficit of $100mnby selling a bond to the Fed.
3. A bank obtains a discount loan of $100mnfrom the Fed.
4. A bank borrows from the Federal Funds Market (from another bank) a loan of $100mn.