Moodle Incorporation has bonds with a par value of $1,000, 12.5 years to maturity, a YTM of 7.2 percent, and a current price of $1.172. The bonds make semiannual payments. What must the coupon rate be on the bonds of Moodle Incorporation? a. 6.89 percent b. 8.67 percent c. 5.79 percent d. 9.31 percent e. 4.66 percent