4. Titan Mining Corporation has 8.2 million shares of common stock outstanding, 260,000 shares of 4 percent preferred stock outstanding, and 140,000 7 percent semiannual bond:s outstanding, par value $1,000 each. The common stock currently sells for $30 per share and has a beta of 1. 10, the preferred stock currently sells for $80 per share, and the bonds have 10 years to maturity and sell for 1 1 0 percent of par. Annual yield to maturity of the bonds is 5.68%. The market risk premium is 7 percent, T-bills are yielding 3 percent, and the company's tax rate is 38 percent a. What is the firm's market value capital structure? 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 flows