Just Need M12-21 the first one Only.

M12-21. Estimating Weighted Average Cost of Capital Assume that a company has $1.2 billion in debt, its cost of debt is 5%, it has $2 billion in equity, and its cost of equity capital is 7%. Compute the company's WACC. M12-22. Estimating Weighted Average Cost of Capital Assume that a company has $1 billion in preferred stock and $3 billion in common stock. Also, it pays 6% dividends on preferred stock and its cost of equity capital is 7%. The company has no debt. Compute