Ronnie's Comics has found that its cost of common equity capital is 13 percent and its cost of debt capital (YTM) is 9 percent The firm is financed with $450,000,000 of common shares (market value) and $550,000,000 of debt. What is the after-tax weighted average cost of capital for Ronnie's, if it is subject to a 35 percent marginal tax rate? (Rourd to two decimal places) 6.37% 8.24% 9.07% 7.59%