Comparative data on three companies in the same service industry are given below: (fill in the missing information)

Sales: Company A: $2,826,000 Company B: $2,030,000 Company C: ???

Net Operating Income: Company A: $452,160 Company B: $385,700 Company C: ???

Average Operating Assets: Company A: $1,570,000 Company B: ??? Company C: $2,880,000

Margin: Company A: ??? Company B: ??? Company C: 4% Turnover: Company A: ??? Company B: ??? Company C: 1.80

ROI: Company A: ??? Company B: 13.30% Company C: ???