Plz solve this question

5. The following information comes from the XY corporation balance sheet. The value of common stock is $10,000, retained earnings equals $7,000 total common equity equals $17000, preferred stock has a value of $3000, and long term debt totals $15,000. If the cost of debt is 8%, preferred stock has a cost of 10% .common stock has a cost of 12% and the firm has a corporate tax rate of 30%, calculate the firms WACC adjusted for taxes