Return on Investment, Margin, Turnover Data follow for the Construction Division of D. Jack Inc.: Year 1 Year 2 $170,775,000 $170,362,500 8,923,750 385,343,750 Sales Operating income Average operating assets 8,910,000 388,125,000 If required, round your answers to two decimal places. Required: 1. Compute the margin (as a percent) and turnover ratios for each year. Year 1 Year 2 Margin Turnover 2. Compute the ROI (as a percent) for the Construction Division for each year. While calculating ROI use the rounded values that are obtained from part 1. ROI year 1 ROI year 2