PLEASE HELP !!!

Company Bourbon's book value of capital is as follows: Debt $12,500,000; Pref Stock $12,000,000; Common Stock $25,200,000. The market value of Company Bourbon's capital is: Debt $12,500,000; Pref Stock $22,500,000; Common Stock $55,000,000. Company Bourbon's after-tax cost of debt is 5.7%, preferred stock has required return of 7.5% and common stock has a required return of 12.0%. What is Bourbon's weighted average cost of capital? 10.0% 8.4% 11.0% It can not be determined without knowing the tax rate

Company Bourbon's book value of capital is as follows: Debt $12,500,000; Pref Stock $12,000,000; Common Stock $25,200,000. The market value of Company Bourbon's capital is: Debt '\$12,500,000; Pref Stock $22,500,000; Common Stock $55,000,000. Company Bourbon's after-tax cost of debt is 5.7%, preferred stock has required return of 7.5% and common stock has a required return of 12.0%. What is Bourbon's weighted average cost of capital? 10.0% 84% 11.0% ftcan not be determined without knowing the tax ale