Sure. It would be the extent to which that cost per barrel might impact a company's ability to produce and move things. We don't believe it's an extended period of time. Obviously, at a total of 1.3 billion barrels a year, you can imagine several cents on a barrel over a period of time would accumulate a fair degree of money in a fairly rapid period of time.
On March 24th, 2015. See this statement in context.