. Adjusted WACC. Clark Explorers, Inc., an engineering firm, has the following capital structure: Using market value and book value (separately, of course), find the adjusted WACC for Clark Explorers at the following tax rates: a. 35% b. 25% c. 20% d. 5% a. What is the market value adjusted WACC for Clark Explorers at a tax rate of 35%? WI% (Round to two decimal places.) Debt in order to copy its content into a spreadsheet. Equity Market Price $106.43 Outstanding units 109,000 Book value $3,015,000 Cost of capital 18.77% Preferred Stock $160.83 9,000 $1,338,000 13.14% $963.94 6,557 $6,557,000 9.9%