To look for the company’s WACC for the level of danger in the project. A debt-equity ratio of 0.78 suggests a weight of debt of 0.78/1.78 and a weight of equity of 1/1.80, so the company’s WACC is:
WACC = (0.78/1.78) (0.0780) + (1/1.78) (0.1460)
= 0.03417978 + 0.08202247
WACC = 0.1162 or 11.62%