Exercise number 1. A company issued bonds with a par value of $250,000 and a maturity of 25 years. The Bonds pay interest every six months based on a nominal interest rate of 8% per year. If on the date of issuance of the bonds the market rate (yield) is 10%: a. What will be the selling price of the bonds? b. If after 15 years the company retires the bonds, paying the amount of $225,000, how much will the gain or loss on debt retirement?