Use T-accounts to show the initial effects of each of the following actions on the balance sheets

Question:

Use T-accounts to show the initial effects of each of the following actions on the balance sheets of the Fed and the banking system:
a. The Fed increases discount loans by $2 billion.
b. The Fed carries out a $2 billion open market sale.
c. The Fed spends $100 million on a new information technology system for the Federal Reserve Bank of Atlanta from DeShawn’s Computer Services.