SOLIDS CONTROL SYSTEM NO FURTHER A MYSTERY

2; Dcust is the custom made duty, USD for each ton; Cother is other costs, including All those connected to transportation to the business oil metering station and transshipment of crude oil, USD for every ton; and P would be the RUB/USD exchange amount, RUB/USD.The exchange rate and oil price may be drastically affected from the geopolitical scena