LG Corp. has a market value debt-to-equity ratio of 0.80 and the required return on the firm's stock is 12.3%. LG Corp.s bonds have a coupon rate of 8.25% and a yield to maturity of 5.75%. If the firm's average and marginal tax rates are 15% and 25%, respectively, what is LG Corp.'s weighted average cost of capital (in %)? (Express your answer in percent and round to one decimal place leg.20.25% is entered as 20.3)