Consider a retail firm with a net profit margin of 3.05%, a total asset turnover of 1.87, total assets of $43.4m illon, and a book value of equity of $17.7 million. a. What is the firm's current ROE? b. If the firm increased its net profit margin to 3.84%, what would be its. ROE? c. If, in addition, the firm increased its revenues by 25% (maintaining this higher profe 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.)