Elway Electronics has debt with a market value of $350,000, preferred stock with a market value of $150,000, and common stock with a market value of $450,000. If debt has a cost of 8%, preferred stock a cost of 10%, common stock a cost of 12%, and the firm has a tax rate of 30%, what is the WACC? 8.64% 9.12% 9.33% 9.46%