The $13-$year $$$$1,000$ par bonds of Vail Inc. pay $12$ percent interest. The$$ market's required yield to maturity on a$$ comparable$-$risk bond is $15$ percent. The current market price for the bond is $ $890.$

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?