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: $29\%$ and cost of $14\mathrm{.}36\%$

Preferred stock: $19\%$ and cost of $11\mathrm{.}33\%$

Debt: $52\%$ and cost of $9\mathrm{.}7\%$ before taxes

What is the adjusted WACC for Lewis if the tax rate is

a$.35\%?$

b$.25\%?$

c$.20\%?$

d$.10\%?$

e$.0\%?$

a$.$ What is the adjusted WACC for Lewis if the tax rate is $35\%?$

b$.$ What is the adjusted WACC for Lewis if the tax rate is $25\%?$

c$.$ What is the adjusted WACC for Lewis if the tax rate is $20\%?$

d$.$What is the adjusted WACC for Lewis if the tax rate is $10\%?$

e$.$ What is the adjusted WACC for Lewis if the tax rate is $0\%?$

$\%($Round to two decimal places.$)$