A 30-year maturity bond with face value of $1,000 makes semiannual coupon payments and has a coupon rate of 9.00%. Note: 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 $1,080 ? b. What is the yield to maturity if the bond is selling for $1,000 ? c. What is the yield to maturity if the bond is selling for $1,070