4. Titan Mining Corporation has 8.6 million shares of common stock outstanding, 300,000 shares of 5 percent preferred stock outstanding, and 160,000 7.4 percent semiannual bonds outstanding, par value $1,000 each. The common stock currently sells for $34 per share and has a beta of 1.30, the preferred stock currently sells for $84 per share, and the bonds have 15 years to maturity and sell for 115 percent of par. The market risk premium is 7.4 percent, T-bills are yielding 3 percent, and the company's tax rate is 40 percent. a. What is the firm's market value capital structure? (Do not round intermediate calculations. Round your answers to 4 decimal places, e.g, 32.1616.) Market value weight Debt Preferred stock Equity b. If the company is evaluating a new investment project that has the same risk as the firm's typical project, what rate should the firm use to discount the project's cash fows? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, o.g, 32.16.) Discount rate