Charlotte's Crochet Shoppe hos 16,100 shares of common stock outstanding at a price per share of $81 and a rate of return of 11.85 percent. The company also has 340 bonds outstanding, with a par value of $2,000 per bond. The pretax cost of debt is 6.25 percent and the bonds sell for 99 percent of par. What is the firm's WACC if the tax rate is 21 percent