Which of the following statements is most accurate? It is acceptable to use the book value of equity in the WACC calculation The cost of debt is often greater than the cost of equity because of the tax shield of equity. Multiplying rd times (1 - 1) produces the before-tax cost of debt. Ideally we would use the market value of debt (as opposed to the book value of debt) to find the WACC. The component cost of debt is the yield to maturity on Treasury securities