ABC had a net profit margin (net income / sales) of 2.5 percent, a total assets turnover (Sales / Assets) of 2.3, and an equity multiplier (Assets / Equity) of 6.4. Given this information, what was the firm's ROE? (Enter your answer in decimal form to three decimal places, which means convert the percentage into decimal form. For example, 12.3% would be entered as 0.123)