3 5 points A company finances its operations and growth opportunities, using common equity and debt. The debt-to-equity ratio of the CI Corp. is 0.4. If its cost of equity is 12%, and its pretax cost of debt is 5%, what comes closest to the company's WACC? The tax rate is 21%. 10.4% 8.8% O O O O O 9% 9.7% 10.8%