Adjusted WACC Lewis runs an outdoor adventure company and wants to know what effect a tax change will have on his company's WACC. Currently, Lewis has the following financing pattern: Equity: 27% and cost of 17.35% Preferred stock: 15% and cost of 12.67% Debt: 58% and cost of 10.4% before taxes What is the adjusted WACC for Lewis if the tax rate is a. 40%? b. 25%? c. 20%? d. 10%? e. 0%? a. What is the adjusted WACC for Lewis if the tax rate is 40%? 0% (Round to two decimal places.)