You have just purchased a 12-year zero-coupon bond with a yield to maturity of 9% and a par value of $1,000. What would your rate of return at the end of the year be if you sell the bond? Assume the yield to maturity on the bond is 10% at the time you sell. a. 10% b. 20.42% c. 1.4% d. 1.4%