Can someone please break this down step by step

Holliday's total capital has a market value of $10 million, with $3 million in debt and $5 million in common equity. Holliday's has an equity beta of 1.2, a cost of debt of 8%, and a cost of preferred stock of 12.8%. The annual market risk premium is 5% and the 5-year Treasury note has a yield of 4%. Questions: 1. Assuming a tax rate of 40%, what is the WACC of the firm