S Corp. is expected to pay a $2.55 dividend at year end, the dividend is expected to grow at a constant rate of 4.50% a year, and the common stock currently sells for $35 a share. The before-tax cost of debt is 5.50%, and the tax rate is 40%. The target capital structure consists of 55% debt and 45% common equity. What is the company's WACC? Do not round your intermediate calculations. O a. 6.69% Ob.7.97% O c. 7.12% Od.9.24% O e. 8.39%