solve manually not in excel

9. Consider a machine that will reduce after-tax operating costs by $2,500 per year over a fiveyear period. Assume no changes in net working capital and a salvage value of zero. Further assume that the machine belongs in a 25% CCA class, a marginal tax rate of 34%, and a required return of 12%. The machine costs $15,000. What is the project NPV? 10. Given the following information for Groto Corp. find the WACC. Assume the company's tax rate is 30%. Bonds: 10,000 outstanding, 10% coupon bonds outstanding, $1,000 par value, 15 years to maturity, selling for $975; the bonds make semiannue payments. Common shares: 300,000 shares outstanding, selling for $45 per share; the beta is 1.05. Preferred shares: 58,000 shares of 6% preferred stock outstanding, currently selling for $100 per share. 12% market risk premium and 3.5% risk-free rate