The Hollingsworth National Bank maintains an average clearing balance of $7,000,000 with the Federal Reserve. The Federal Funds rate is currently 5.25 percent. What is the credit the bank will earn over the maintenance period that can be used to offset any fees charged by the Federal Reserve? A. $367,500 B. $1,021 C. $14,292 D. $30,625 E. None of the options is correct

how is the answer C how do we solve it?