A firm has a debt to equity ratio of 7 and a corporate tax rate of 35%. What is their WACC given the following information? The coupon rate on their bonds with 18 years to maturity is 4%. The bonds pay interest semi- annually and their current price is $882.22 per bond. Their common stock sells for $34.33 per share and their past dividend (Do) was $2.00 per share and dividends are expected to grow at 3% per year. 06.63% 6.26% None of the answers presented are correct O 6.37%