Prior to 1980

Prior to 1980:

A) member banks of the Federal Reserve did not have to hold non-interest-bearing reserve deposits at the Fed.
B) nonmember banks had to hold non-interest-bearing reserve deposits at the Fed.
C) nonmember banks did not have to hold non-interest-bearing reserve deposits at the Fed.
D) all banks, member or not, had to hold reserve deposits at the Fed in a non-interest-bearing account.