A 25-year maturity, 9.0% coupon bond paying coupons semiannually is callable in six years at a call price of $1, 150. The bond currently sells at a yield to maturity of 8.0% (4.00% per half-year) a. What is the yield to call? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Yield to call 8.63 % b. What is the yield to call if the call price is only $1, 100? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Yield to call 8.04 % c. What is the yield to call if the call price is $1, 150 but the bond can be called in three years instead of six years? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Yield to call ____ %