Find the pre-tax weighted average cost of capital where the per share price of equity is $30.0 and the expected return on equity is 15.5% - there are 37000000 shares outstanding. There is $60M of debt which pays a coupon rate of 9.0% and matures in 10 year. The firm's tax rate is 45%. (Please show equation to get the answer below.)

Answer: 0.1517