Which of the following statements about cost of capital estimation is most correct? A. In general, at least five methods are used to estimate the cost of debt. B. The corporate cost of capital is the higher of either the cost of equity or the cost of debt. C. The corporate cost of capital is used as the hurdle (discount) rate for all projects being evaluated in the organization. D. Because there is no tax savings associated with debt issued by not-for-profit organizations, it is theoretically wrong to recognize the saving for investor-owned business. E. None of the above statements is correct.