4. Titan Mining Corporation has 4 million shares of common stock outstanding, 800,000 shares of 10 percent preferred stock outstanding, and 160,000 11% annual bonds outstanding, par value $1,000 each. The common stock currently sells for $25 per share, the preferred stock sells for $120 per share, and the bonds have 10 years to maturity and sell for $1,200 (per bond). The company is expected to set its next annual (common) dividend at $2.5 per share, and all future dividends are expected to grow by 3% per year, indefinitely. If the firm's tax rate is 30 percent, what is the cost of capital (WACC) for Titan Mining