Exactly 15 years ago, you purchased a $1,000 par value bond with 30 years to maturity for $945. The bond pays its 7% coupon semi-annually.
a) At what yield-to-maturity did you originally buy the bond?
b) If the present market rate on identical bonds is 4.5% (compounded semi-annually), at what price should the bond trade today?
c) What is the current yield on the bond?