Check My Work (1 remaining) 4-5: Bonds with Semiannual Coupons 4-6: Bond Yields Problem 4-8 O Yield to Maturity and Call with Semiannual Payments O 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? %