(b) Kelensky, an analyst in the treasury department of KrainWin Inc., is updating the firm's cost of capital. The firm's current capital structure, considered optimal from a firm-value maximization perspective, is as follows: Market Value Debt $8 billion Preferred stock $2 billion Common equity $20 billion Given the current financial and economic conditions of the firm and the market, financing costs of various securities are summarized as follows: 1) Debt can be issued at an YTM of 14%. 2) Preferred stock with a $100 par and a dividend rate of 12 percent can be sold at $96 per share. 3) Common stock has a beta of 1.4. KrainWin's tax rate is 40%. The risk-free rate is 8% and market risk premium (RPM) = 5%. (0) Calculate the after-tax cost of debt, cost of preferred stock and cost of equity of KrainWin. (7 marks) (ii) Calculate the cost of capital of KrainWin Inc.? (4 marks) (iii) KrainWin is considering investing in a new project based on the NPV decision rule. If the new project is assessed to be carrying a higher risk than the average risk of the firm's existing projects, what would happen to the estimated NPV value and hence the firm's value if KrainWin's WACC is used as the project's cost of capital? Explain