Suppose a firm's total assets turnover ratio falls from 2.0 to 0.9 , but at the same time its profit margin rises from 9% to 10%, and its debt increases from 40% of total assets to 60%. Under these conditions, the ROE will decrease. the ROE will increase. the ROE will remain the same. there is not enough ifformation about what happens to ROE. equity mutiplier will decrease