5 ms·You need to measure how much profit they'll make from the oil, not the revenue it will generate.by acchow 11y agoYou need to measure how much profit they'll make from the oil, not the revenue it will generate.orf 11y agoSA has the highest profit margin of any oil exporter.msellout 11y agoStill, he's got a point. They are very mysterious about what their margins are.