S. Stojanovic Corp. (SSC) has an optimal target capital structure of 40 percent common stock and 60 percent debt. SSC's cost of equity is 11 percent and the SSC's cost of debt is 4 percent before adjusting for taxes. The relevant tax rate is 21 percent. What is SSC's WACC? 6.8% 7.83% 6.296% 7215