Abacus Co. wishes to maintain a growth rate of 13.2 percent a year, a debt-equity ratio of 1.6, and a dividend payout ratio of 25 percent. The ratio of total assets to sales is constant at 0.96. What profit margin must the firm achieve? (Do not round intermediate calculations and round your final answer to 2 decimal places. (e.g., 32.16)) Profit margin 5.53 %