Abacus Co. wishes to maintain a growth rate of 11 percent a year, a debt-equity ratio of 1.4, and a dividend payout ratio of 27 percent. The ratio of total assets to sales is constant at 0.8. what profit margin must the firm achieve? (in %) Enter your answer as a percentage, omit the "%" sign in your response, and round your answer to 4 decimal places. For example, 1.23456% should be entered as 1.2346)