please show me how to do it in the calculator

19. Largent Supplies Corp. has borrowed to invest in a project. The loan calls for a payment of $17,384 every month for three years. The lender quoted Largent a rate of 8.40 percent with monthly compounding. What is the effective annual rate? a. 8.40% b. 8.73% c. 8.95% d. 8.42% c. None of the above