12) Company Bourbon's book value of capital is as follows: Debt $11,500,000; Pref Stock $10,000,000; Common Stock $15,200,000. The market value of Company Bourbon's capital is: Debt $11,500,000; Pref Stock $10,000,000; Common Stock $55,000,000. Company Bourbon's after-tax cost of debt is 4.7%, preferred stock has required return of 7.5% and common stock has a required return of 13.5%. What is Bourbon's weighted average cost of capital