Fountains R Us has a target capital structure of 35% debt, 10% preferred and the remainder in common equity. The before-tax cost of debt is 5.5%, the cost of preferred stock is 6.75% and the cost of equity is 9.63%. If their tax rate is 30%, what is their WACC?

Enter your answer rounded to 2 decimal places as a percent value (eg. 15.25 not 0.1525) and do not enter any symbols such as a $, comma or %.