The common stock of Buildwell Conservation \& Construction, Inc., has a beta of 80 . The Treasury bill rate is 4%, and the market risk premium is estimated at 7%. BCCl's capital structure is 40% debt, paying a 8% interest rate, and 60% equity. Buildwell pays tax at 30%. a. What is BCCl's cost of equity capital? (Round your answer to 2 decimal places.) b. What is BCCl's WACC? (Round your answer to 2 decimal places.)