Moving to another question will save this response. 2uestion 16 sells for 587.50 a share. The before-tax cost of debt is 7.50%, and the tax rate is 25%. The target capital structure consista of 45% debt and 55% common equity. What is the ch WACC if all the equity used is from retained earnings? Do not round your intermediate calculations. a. 7.13% b. 6,62% c. 5.69% d. 5.10% e. 7.35%