The Maxim Corporation reported the following operating results for its three divisions: South, West, and East. South Division West Division East Division Sales $ 395.000 $ 1,850,000 $2,150,000 After-tax income $ 35,000 $ 67,200 $ 133,000 Divisional assets $ 280,000 $ 700.000 $950,000 Which division has the smallest return on investment (ROI)? South All three divisions have the same ROI. East. West