Slippys capital structure today is $930 million in Long Term Debt and $1,262 million in Common Equity. If its debt were issued today, Sticky would pay an interest rate of 5.1%/year (before tax). Slippys Cost of Equity is estimated to be 10%/year. Given a tax rate of 30%, what is Slippys Weighted Average Cost of Capital (WACC)? (Your answer should be a % carried to 2 places.)