(Bond valuation) The 13-year $1,000 par bonds of Vail Inc. pay 15 percent interest. The market's required yield to maturity on a comparable-risk bond is 12 percent. The current market price for the bond is $1,120. a. Determine the yield to maturity. b. What is the value of the bonds to you given the yield to maturity on a comparable-risk bond? c. Should you purchase the bond at the current market price? Round to two decimal places.