What is the WACC for the following case: The risk-free rate of retum is 5%, the expected market return is 12%, the proportion of debt is 60%, and cost of debt is 8%, B of the equity is 1.40, and the tax rate is 30% O a. All answers are wrong O b. 0.142 O c 0.0942 O d. 0.131 O e. 0.0904