For a firm with outstanding preferred stock and common stock, which of the following statements is TRUE regarding the firm's WACC? 0 The book value, not the market value, of the firm's common stock should be used to compute the WACC. 0 The cost of preferred stock is equal to the annual preferred dividend divided by the current price of the preferred stock. 0 the cost of preferred stock will usually be higher than the cost of commons stock, since preferred stock is more risky than common stock. 0 The CAPM cannot be used to estimate the firm's cost of common stock. The Carum ca 0 all of the above statements are true