(WACC) the target capital structure for jowers manufacturing is55% common stock

(WACC) the target capital structure for jowers manufacturing is55% common stock 20% preffered stock and 25% debt. If the cost ofcommon equity for the firm is 20.3% the cost of preffered stock is11.2% and the before tax debt is 9.6% what is jowers cost ofcapital? the firms tax rate is 34%