A firm has issued $20 million in long-term bonds that now have 10 years remaining until maturity. The bonds carry an 8% annual coupon but are selling in the market for $877.10. The firm also has $45 million in market value of common stock. For cost of capital purposes, what portion of the firm is debt financed and what is the after-tax cost of debt, if the tax rate is 35%? If the risk-free rate is 3%, the firms beta is 1.3, and market premium is 10%, what is the firms WACC? please post step by step.