Problem 4-8 Yield to Maturity and Call with Semiannual Payments Thatcher Corporation's bonds will mature in 12 years. The bonds have a face value of $1,000 and an 11.5% coupon rate, paid semiannually. The price of the bonds is $1,050. The bonds are callable in 5 years at a call price of $1,050. Round your answers to two decimal places. What is their yield to call?