a)excel corp issues a 30- year, 7.2% semiannual coupon bond 11 years ago when the market rate of interest was 8% compounded semiannually. What was the issues price of the bond?

b) suppose that the market rate of the bond in part A is now 6% compounded semiannually. What is the unrealized holding period return, expressed as an APR, for a person who purchased the bonds at their issuance and collected all of the coupon payments until today?