Last year, you purchased a $1,000 par value bond with a 7.5% annual coupon and a 20-year maturity. At the time of the purchase, it had an expected YTM of 7%. After receiving the coupon, you sold the bond today for $1040. What is your return rate in one year? Select one: O a. 3.37% b. 10.64% c. 5.89% O d. 2.09% e. 12.75%