T_C = 30%

A company is financed by : 100,000 shares at a price of $100. The stock will pay an annual dividend of $10 in 1 year. The dividend growth rate is 3%. A debt of 4,000,000 at 6% effective. 5,000 bonds at a cost of $1,000 and a par value of $1,000 with an annual coupon of $60. 20,000 shares of preferred stock at a price of $50. Each share will pay an annual perpetual dividend of $4 in 1 year. What is the firm's cost of capital?