If an entrant were more efficient than the incumbent, then the USO would not cause the lost profit.
If an entrant was more efficient than the incumbent, the USO wouldn't lose $500,000 each year.
mnli hypothesis: If an entrant was more efficient than the incumbent, the USO wouldn't lose $500,000 each year. premise: If an entrant were more efficient than the incumbent, then the USO would not cause the lost profit.