Ajax Corporation issued 10,000 units of $1,000 face value bonds that mature in 20 years and have a 4% coupon rate that is paid semiannually. If the bonds were sold at 96.5% of their face value, calculate the yield to maturity at the end of year 10. a. 4.50% b. 4.38% c. 4.44% d. 4.30% e. 4.26%