An analyst compiles the following data for a company: FY2017 FY2018 FY2019 ROE 16.9 % 16.0% 14.6% ROA 7.700 % 8.000 % 8.100% net profit margin 3.50% 4.00% 4.00% 4.50% Based only on the information above, the most reasonable conclusion is that over the period FY2017-FY2019 the company's: O Leverage has decreased while total asset turnover decreased O Leverage has decreased while total asset turnover increased O Leverage has increased while total asset turnover decreased O Leverage has increased while total asset turnover increased