A 15-year maturity, 7.5% coupon bond paying coupons semiannually is callable in five years at a call price of $1,100. The bond currently sells at a yield to maturity of 6% (3% per half-year). a. What is the yield to call annually? (Do not round intermediate calculations. Round your answer to 3 decimal places.) b. What is the yield to call annually if the call price is only $1,050? (Do not round intermediate calculations. Round your answer to 3 decimal places.) c. What is the yield to call annually if the call price is $1,100, but the bond can be called in two years instead of five years? (Do not round intermediate calculations. Round your answer to 3 decimal places.)