Question

why does the fed pay interest to banks?
it is interest on money held in reserve.
it is interest on credit available to the fed.
it is interest on loans taken by the fed.
it is interest on government investments.

Explanation:

The Federal Reserve (Fed) pays interest to banks on the reserves that banks hold with the Fed. Reserves are the cash that banks keep on hand or deposit at the Fed. The other options are incorrect: the Fed doesn't pay interest on credit available to it, loans taken by it, or government investments in this context.

Answer:

A. It is interest on money held in reserve.