25) The weighted average cost of capital is defined as the weighted average of a firm's: bureturn on all of its investments. a) cost of equity, cost of preferred stock, and its aftertax cost of debt. b) pretax cost of debt and its preferred and common equity securities. c) bond coupon rates. d) common and preferred stock. with model app

25) The weighted average cost of capital is defined as the weighted average of a firm's: return on all of its investments. a) cost of equity, cost of preferred stock, and its aftertax cost of debt. b) pretax cost of debt and its preferred and common equity securities. c) bond coupon rates. d) common and preferred stock