XYZ Co. issued 15-year bonds a year ago at a coupon rate of 4.9%. The bonds make semiannual payments and have a par value of $1,000.

a) If the YTM on these bonds is 4.5%, what is the current bond price?

b) If the YTM on these bonds is 4.9%, what is the current bond price?

c) If the YTM on these bonds is 4.0%, what is the current bond price?