. WorldEx Enterprises has equity of $30 million and debt of $10 million. Its cost of debt is 6% and the tax rate is 35%. Its weighted average cost of capital is 12% What is its after tax cost of debt? What is its cost of equity capital? A company has $40 million in debt with an after-tax cost of 4%. Its $10 million in preferred stock has a cost of 7% and its common stock and retained earnings of $50 million have a cost of 15%. What is the weighted average cost of capital