Reingaart Systems is expected to pay a $3.4 dividend at year end (D1 = $3.4), the dividend is expected to grow at a constant rate of 5.8% a year, and the common stock currently sells for $65 a share. The before-tax cost of debt is 7.8%, and the tax rate is 29%. The target capital structure consists of 56% debt and 44% common equity. What is the company's WACC if ail equity is from retained earnings? 8.55%7.65%8.25%7.35%7.95%