(A) Complete the WACC Table and the optimal mix if the company tax rate is 20% (your excel worksheet should provide this format and the computations to arrive at the missing variables) % Debt Cost of Debt Cost of Equity WACC 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 6.00% 6.50% 6.50% 7.25% 7.50% 7.80% 8.60% 9.50% 10.50% 12.00% 15.00% After-Tax Cost of Debt % Equity (TEX%) 0.00% 0% 0.00% 0% 0.00% 0% 0.00% 0% 0.00% 0% 0.00% 0% 0.00% 0% 0.00% 0% 0.00% 0% 0.00% 0% 0.00% 0% 10.00% 0.00% 10.50% 0.00% 11.00% 0.00% 11.50% 0.00% 12.00% 0.00% 13.00% 0.00% 13.60% 0.00% 14.80% 0.00% 16.00% 0.00% 19.00% 0.00% 24.00% 0.00% (B) How would you answer to part (A) change if the companies' tax rate were 15%? (C) What does this tell us about the WACC mix? (D) What kind of mix would you recommend to an entity in a high tax environment