Question: Assume six months ago the US Treasury yield curve was flat at a rate of 4% per year (assume semi-annual coupon payments and semi-annual compounding) and you bought a 30-year US Treasury bond. Today it is flat at a rate of 5% per year. What rate of return did you earn on your initial investment:
a. if the bond was a 4% coupon bond?
b. if the bond was a zero coupon bond?