a.) You bought an annual interest coupon bond one year ago that now has six years remaining until maturity. The coupon rate of interest was 10%, and par value was $1,000. At the time you purchased the bond, the yield to maturity was 8%. What was the amount you paid for this bond one year ago?

b.) A coupon bond that pays interest semi-annually is selling at a par value of $1,000, matures in seven years, and has a coupon rate of 8.6%. What is the yield to maturity on this bond?