Maurice took out a 25-year loan from his bank for $165,000 at an APR of 2.4%, compounded monthly. If his bank charges a prepayment fee of 6 months' interest on 80% of the balance, what prepayment fee would Maurice be charged for paying off his loan 11 years early? A. $818.55 B. $740.77 C. $585.55 D. $731.94