Schadlet Systemt is expected to pay a $2:20 dividend at year end (D1), the drudend is expected to grow at a conutaet tate of 5.50% a year, and the cemmon utock currently sells for 556.00 a shate. The before tax cost of debt is 7.504, and the tax tate is 439 . The target capial structure conuints of 374 debt and 63% common equify. What is the company't WACC if all equity is from retained eamingt? a. 7.52% b. 8.724 c. 4.97% d. 8,04%