you purchased a zero coupon bond that has a face value of 1000, 5 years to maturity, and a yield to maturity of 7.3%. it is one year later and similar bonds are offering a yield to maturity of 8.1%. you will sell the bond now. you have a tax rate of 40% on regular income and 15% on capital gains. calculate the purchase price of the bond, current price of the bond, imputed interest income and the capital gain or loss on the bond