Mark Which of the following statements is not true about the weighted average cost of capital (WACC) method? O a. If WACC is greater than the IRR of a project and the cash flows are conventional, then, the NPV of the project will always be less than zero O b. WACC cannot be used to evaluate projects in which the capital structure is significantly different from the firm's overall structure O c. Average company WACC should not be used for evaluating projects in a multi-segment conglomerate O d. If WACC is less than IRR of a strip mine project, then, the NPV of the project will always be greater than zero O e. WACC adjusts for the tax deductibility of interest costs