A 30-year maturity bond with face value of $1,000 makes semiannual coupon payments and has a coupon rate of 7.40%. (Do not round intermediate calculations. Enter your answers as a percent rounded to 3 decimal places.) a. What is the yield to maturity if the bond is selling for $980? Yield to maturity % b. What is the yield to maturity if the bond is selling for $1,000? Yield to maturity c. What is the yield to maturity if the bond is selling for $1,145? Yield to maturity %