The required rate of return on the bonds (ka) of the EAP Corporation is 15 percent The firm's rate of return on stocks (ka) in general is 12 percent. The firm IS NOT USING PREFERRED STOCK to finance its operations (0% preferred stock financing It the firm's marginal tax rate is 27 percent, and it will be financing projects with a 45%.55% debt to equity mix find its weighted average cost of capital (WACC)