The common stock of Buildwell Conservation \& Construction Incorporated (BCCI) has a beta of 0.9 . The Treasury bill rate is 4%, and the market risk premilum is estimated at 9%. BCCl's capital structure is 21% debt, paying an interest rate of 6%, and 79% equity. The debt sells at pot Buildwell pays tax at 21%, a. What is BCCl 's cost of equity capital? Note: Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places. b. What is its WACC? Note: Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places. c. If BCCl is presented with a normal project with an internal rate of return of 10%, should it accept the project if it has the same level of tisk as the current firm