The following data pertain to Dakota Division's most recent year of operations. Required: Which of the following ways could improve the Dakota Division's ROI to 16 percent? (You may seiect more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) improve the sales margin to 6 percent by increasing income to $7,770.000. improve the sales margin to 8.00 percent by increasing income to $10,360,000. improve the turnover to 2.667 by decreasing average invested capital to $48,562,500 Improve the turnover to 3.200 by decreasing average invested capital to $40,468.750