Case of Ceramic Plate

Results of cooperation:

Customer expenditure: 12600 UAH
Income : 533739 UAH
The margin is 20%.
ROI = (Income × Marge) - Customer losses) / Customer losses = (Income [652 000 UAH] × Marge [30%] - Customer losses [9 000 UAH.] / Customer losses [9 000 UAH] of 211%