Which of the following statements is CORRECT? Assume a company's target capital structure is 50% debt and 50% common equity.

a. The cost of reinvested earnings typically exceeds the cost of new common stock.

b. The interest rate used to calculate the WACC is the average after tax-cost of all company's outstadning debt as shown on it's balance sheet

c. The cost of equity is always equal to or greater than the cost of debt.

d. The WACC is calcuated on a before-tax basis

e. The WACC exceeds the cost of equity.