The total book value of WCT's equity is $10 million; book value per share is $20. The stock sells for a price of $30 per share, and the cost of equity is 15%. The firm's bonds have a face value of $5 million and sell at a price of 110% of face value. The yield to maturity on the bonds is 9%, and the firm's tax rate is 40%. find out the weighted average cost of capital for WCT. Please show your work.