Radoski Corporation's bonds make an annual coupon interest payment of 8.45% every year. The bonds have a par value of $1,000, a current price of $900, and mature in 14 years. What is the yield to maturity on these bonds?

a. 6.53%

b. 10.78%

c. 9.85%

d. 9.79%

e. 9.39%