1. A firm has a cost of debt of 7.8 percent and a cost of equity of 15.6 percent. The debt-equity ratio is .52. There are no taxes. What is the firm's weighted average cost of capital?
2. A firm has a weighted average cost of capital of 11.28 percent and a cost of equity of 14.7 percent. The debt-equity ratio is .72. There are no taxes. What is the firm's cost of debt?
3. Delta Mowers has a debt-equity ratio of .6. Its WACC is 11.8 percent, and its cost of debt is 7.7 percent. There is no corporate tax. What is the firm's cost of equity capital?