C3 margin fin.

[Iskanderung]

Как перевести "С3 margin" в предложении: The financial Benefit for Shell is 6 000 USD/year (our C3 margin in Corena AS46 is 4000 USD/ton). The global volume of lubricants for this customer is 80 tons/year. Контекст: The total financial benefit for the customer is 14975 USD/year: · 3000 USD of cost saving because of direct cost: the consumption reduced from 2 tons/year to 1.5 tons per year (0.5 tons reduction) è 0.5 tons = 25 pails = 25x120 = 3000 USD · 1000 USD reduction due to purchase price: a pail of Corena AS 46 is 13 USD cheaper than mobil SHC 1026: 1.5tons = 75pails so, The reduction is 75x13 = 975 USD. · 2000USD due to manpower saving: the cost of direct manpower during one year for all the drain and filter change operations of the compressor is 6000USD/year.
The increase of drain interval is from 4000hours to 6000 hours. · For every drain there is an oil filter. The number of drains is reduced from 7 to 5. 2 drains/compressor/year = 20 drains to win (there are 10 compressors) = 20 filters = 2000USD. · 7000 USD due to the indirect cost : the operation to drain a compressor (with filter change) takes 2 hours. This operation is made every 7 weeks (5 days/week and 24hours/days of service) >>>>> 7 drains/year. This number will reduce to 5/year à 4 hours/compressor. There are 10 compressors >>>> 40 hours of downtime reduced. 40 x 175 USD = 7000USD. - The financial Benefit for Shell is 6 000 USD/year (our C3 margin in Corena AS46 is 4000 USD/ton). The global volume of lubricants for this customer is 80 tons/year.

Заранее спасибо