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...Sheet calc instructions instruction page to calculate your return on investment roi please follow these steps print this and the step operating time enter number of hours machine operates per day work daysyear days year for example a week weeks profithr average profitability industry is hr default cost if not know use quot calculator value when new program will give an estimated operator including benefits scrapreturns each returns scrap due rejects dirty product what reject costs can be reduced by with cleaning downtime amount associated material or facility loss production are then calculated losses system simco installation included filters brushes include replacement yr energy operate cleaner at kwh depreciation financial data like typically used in accounting department years interest money vary payback period now returnoninvestment click calculation...