Suppose Bank X Is Holding Total Cash Reserves of $32

Suppose Bank X is holding total cash reserves of $32, 000 on deposits of $90, 000.If the reserve requirement is 15 percent, then the excess reserves held by this bank is:

A) $27, 200.
B) $58, 000.
C) $4, 800.
D) $13, 200.
E) $18, 500.