14. Reingaart Systems is expected to pay a $3.00 dividend at year end (D1 = $3.00), the dividend is expected to grow at a constant rate of 7% a year, and the common stock currently sells for $60 a share. The beforetax cost of debt is 8%, and the tax rate is 40%. The target capital structure consists of 60% debt and 40% common equity. What is the company's WACC if all equity is from retained earnings? A. 7.17% B. 7.31% C. 7.45% D. 7.68% E. 7.84%