The initial proceeds per bond, the size of the issue, the initial maturity of the bond, and the years remaining to maturity are shown in the following table for a number of bonds. In each case, the firm is in the 40% percent tax bracket, and the bond has a $1,000 par value. (D) Calculate the unamortized discount or premium for each bond. and (E)Determine the after-tax cash flow associated with the retirement now of each of these bonds, using the values developed in part (d)