Macro Data Corporation's three divisions had the following operating data during the year:

Required:
1. Compute the contribution margin for each division.
2. Compute the segment margin for each division (assume that all fixed costs are direct to each division).
3. Compute the ROI for each division.
4. Which division had the highest profit margin ratio?
5. Interpretive Question: Which division had the best performance in 2012?Why?

Fax Machine Calculator Computer Revenue. Variable costs Fixed costs. Total assets $100,000 $150,000 90,000 $200,000 45,000 50,000 53,000 120,000 38,000