ANSWER FOR THUMBS UP!!!

The WACC K. Bell Jewelers wishes to explore the effect on its cost of capital of the rate at which the company pays taxes. The firm wishes to maintain a capital structure of 30% debt, 20% preferred stock, and 50% common stock. The cost of financing with retained eamings is 17%, the cost of preferred stock financing is 9%, and the belore-tax cost of debt financing is B\%. Calculate the weighted average cost of capital (WACC) given a tax rate of 21%. The firm's WACC is \%. (Round to fwo docimal places.)