Consider a retail firm with a net profit margin of 3.14%, a total asset turnover of 1.87, total assets of $45.2 million, a. What is the firm's current ROE? b. If the firm increased its net profit margin to 3.82%, what would be its ROE? C. If, in addition, the firm increased its revenues by 16% (maintaining this higher profit margin and without changing its assets or liabilities), what would be its ROE? a. What is the firm's current ROE? The firm's current ROE is.%. (Round to one decimal place.)