ABC, Inc.'s target capital structure is 30% debt, 45% preferred, and 25% common equity. The before-tax cost of debt (RD) is 3.78%, the cost of preferred stock (RP) is 12.41%, and the cost of common stock ( RE) is 18.73%. If the tax rate is 25%. What is the WACC? Enter your answer as a percentage and round off to two decimal points. Do not enter % in the answer box