[SOA 158] Two 15-year par value bonds, X and Y, each pay an annual coupon of 200 at the end of the year. The face amount of Bond X is one-half the face amount of Bond Y. At an annual effective yield of i, the price of Bond X is 2695.39 and the price of Bond Y is 3490.78. Calculate the coupon rate for Bond X. A 6.3% B 7.4% 8.8% 10.0% E 11.4%