Here is some information about Stokenchurch Incorporated: Beta of common stock = 1.8 Treasury bill rate=4% Market risk premium - 7.1% Yield to maturity on long-term debt -6% Book value of equity- $400 million Market value of equity = $800 million Long-term debt outstanding $800 million Corporate tax rate=21% What is the company's WACC? Note: Do not round Intermediate calculations. Enter your answer as a percent rounded to 2 decimal places. WACC