Titan Mining Corporation has 14 million shares of common stock outstanding, 900,000 shares of 9 percent preferred stock outstanding and 210,000 ten percent semiannual bonds outstanding, par value $1,000 each. The common stock currently sells for $34 per share and has a beta of 1.15, the preferred stock currently sells for $80 per share, and the bonds have 17 years to maturity and sell for 91 percent of par. The market risk premium is 11.5 percent, T-bills are yielding 7.5 percent, and the firm's tax rate is 32 percent. What discount rate should the firm apply to a new project's cash flows if the project has the same risk as the firm's typical project? A. 14.59 percent B. 14.72 percent C. 15.17 percent D. 15.54 percent E. 16.41 percent