​(Bond valuation) The 7​-year ​$1,000 par bonds of Vail Inc. pay 9 percent interest. The​ market's required yield to maturity on a​ comparable-risk bond is 8 percent. The current market price for the bond is $ 1,150.
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?