A 30 -year maturity, 6% coupon bond paying coupons semiannually is callable in five years at a call price of $1,100. The bond currently sells at a yieid to maturity of 5% (2.5\% per half-year). Required: a. What is the yield to call? (Do not round intermediate calculations. Round your answer to 2 decimal places.) b. What is the yleld to call if the call price is only $1,050 ? (Do not round intermediate calculations. Round your answer to 2 decimat places.) c. What is the yeld to call 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 2 decimal places.)