Comparative data on three companies in the same service industry are given below:

Required:
1. What advantages are there to breaking down the ROI computation into two separate elements, margin and turnover?
2. Fill in the missing information above, and comment on the relative performance of the three companies in as much detail as the data permit. Make specific recommendations about how to improve theROI.

Company $4,000,000 $1,500,000 $ ? $560,000 $210,000 $? Sales Net operating income Average operating assets ...$2,000,000 Margin TurnoverR Return on investment (RO)? **.---- 2 $%3,000,000 3.5% 7%