A firm's total assets are $1303 mln. The firm funds the assets with $170 mln of debt, $141 mln. of preferred stock, and the remainder with common equity. What is the firm's WACC if its pre-tax cost of debt is 4.7%, cost of preferred stock is 8.7%, cost of common equity is 14.2%, and the tax rate is 23%? Express your answer in %, to the nearest 0.01%; drop the % symbol. Blank 1. Calculate the answer by read surrounding text.