Problem 5-8 Yield to Maturity and Call with Semiannual Payments

Thatcher Corporation's bonds will mature in 18 years. The bonds have a face value of $1,000 and an 8.5% coupon rate, paid semiannually. The price of the bonds is $950. 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 maturity? %

What is their yield to call? %