Titan Mining Corporation has 7.2 million shares of common stock outstanding, 260,000 shares of 4.4 percent preferred stock outstanding, par value $2,000 each. The common stock currently sells for $65 per share and has a beta of 1.15, the preferred stock has a par value of $100 and currently sells for $91 per share, and the bonds have 15 years to maturity and sells for $105 percent of par . The market risk premium is 7.5 percent, T-bills are yielding 3.1 percent, and the company's tax rate is 21 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?