Section D needs answering

3. The XGENZ Corporation issued a 30-year, 7 percent semiannual bond 3 years ago. The bond currently sells for 93 percent of its face value. The company's tax rate is 35 percent. a. What is the pretax cost of debt? b. What is the aftertax cost of debt? c. Which is more relevant, the pretax or the aftertax cost of debt? Why? FV = 1000, PV = -930, N = 27*2, PMT = 35, using rate function in Excel and multiply by 2 pretax cost = 7.61% after tax cost = 7.61*(1-0.35) = 4.95% after tax cost since it accounts for the tax advantage of interest payments d. Suppose the book value of the debt issue is $85 million. In addition, the company has a second debt issue on the market, a zero coupon bond with 12 years left to maturity; the book value of this issue is $35 million, and the bonds sell for 59 percent of par. (i) What is the company's total book value of debt? (ii) The total market value? What is your best estimate of the aftertax cost of debt now