Socensen Systems inc is expected to paya $2.50 dividend at year end (D1=$2.50 ), the dividend is cxpected to grow at a constant rate of 5.50% a year, and the common stock. currently selis for $87.50 a share. The before-tax cost of debt is 7.50% and the taxrate is 25%. The target capital structure consists of 45% debt and 55% common equity. What if the company's WACC if all the equity used is from retained earnings? Do not round your intermediate calculations. 5.68% 5. 10% 6.620 7,13sin