Burt had been asked by his manager to compute the weighted average cost of capital (WACC) of his firm. In his calculation of the WACC, Burt used the related capital structure weights based on 1. the market value of the firm's debt II. the book value of the firm's equity Ill. the book value of the firm's preferred stock IV. the yield to maturity of the firm's bonds Multiple Choice 1B, I and IV I and IV only I and I only O L, II, III and IV Ill and IV only I and I only Ill and IV only I only