The common stock of Buldwell Inc has a beta of 0.9 . The Treasuny bill rate is 4%0 and the market risk premiun is estimated at 1090. Buliduells capital structure is 35% debt, paying an interest Rate of 10% and cos 70 equity. The debt sills at par. Build well pay tax at 21% a. Cost of capital? \% equity b. What is its WACC? \%o - dont Round intermediate calula - Runded to a dec places! HElP