Bosco, Inc has 61,000 shares of common stock outstanding at a market price of $37 a share. The common stock just paid a $1.44 annual dividend and has a dividend growth rate of 1.8 percent. There are 12,000 shares of 8 percent preferred stock outstanding at a market price of $61 a share. The preferred stock has a par value of $100. The outstanding bonds mature in 17 years, have a total face value of $850,000, a face value per bond of $1,000, and a market price of $1,015 each. The bonds pay 10 percent interest. The tax rate is 20 percent. What is the firm's weighted average cost of capital?