Rhonda's Rackets has debt with a market value of $350,000, preferred stock with a market value of $100,000, and common stock with a market value of $950,000. If debt has a cost of 7%, preferred stock a cost of 9%, common stock a cost of 13%, and the firm has a tax rate of 30%, what is the WACC? 9.67% 11.21% 8.82% 10.69%