In order to meet a deficiency of required reserves,a bank could:

A) buy securities.
B) deposit vault cash with the Fed.
C) turn some of its deposits at the Fed into cash.
D) close some checking accounts.
E) borrow from another bank in the federal funds market.

Federal Funds Market

A market for overnight lending and borrowing of reserves among banks; the interbank market for reserves on account at the Fed.

Required Reserves

The minimum amount of funds that a bank must hold in reserve against deposits, as mandated by regulatory bodies.