You are trying to figure out the discount rate for your future project. Your accountant says your business sells long-term bonds with an YTM of 9%. Using the dividend growth model you estimate that your cost of equity is 7%. Your business pays a tax of 38%. The capital of the entire firm is $500 million (Debt + Equity), the market cap of equity is $300 million. What is the WACC? (please enter your answer as a number without the percentage sign. for instance if your answer is 8.5% enter 8.5 )