Suppose a firm has cost of debt (Kd) of 10%, cost simen plc has GH1 million debenture stock in issue, quoted at GH50 per GH100 of nominal stock; GHof preferred stock (Kp) 10.3% and cost of equity (Ke) 13.4%. Assuming corresponding capital structure of 45%, 2% 53% and a corporate tax rate of 40%. Calculate WACC.