18. The capital structure and specific cost of capital of XYZ Co. are given below. The book value weights are also given Source of capital Book value After tax cost of capital Bonds 1000 par value 15,000 5.4% 40 shares birr 8 preferred stock 5000 8% Common stock 400 shares 20,000 11% Retained earnings 10,000 10.5% The necessary market values for each financing source of capital of XYZ are assumed to be as follows • Bond price is 94% of par • Preferred stock is birr 100 per share • Common stock sells for birr 65 per share Required: compute the WACC using the market value weights​