From a Bank Manager's Perspective, the Differential in Interest Between

From a bank manager's perspective, the differential in interest between a bank's loans and its deposits

A) must not exceed the federal funds rate.
B) is called the primary credit rate.
C) must be sufficient to cover the bank's expenses and generate a reasonable profit for the bank's owners.
D) must be sufficient to cover the bank's deposit insurance premiums and its reserve requirements at the Federal Reserve.