Professor, the key points I see from your JV analysis are these: Delta is currently out of EASK compliance on the low end. After the change they'd be above the block hour minimum with room to reduce. That sure as heck sounds like a concession to me. If Delta corrected the EASK ratio as required what would the block hour ratio be then? I see where you're going with the downside protection angle but I'd need more data to be sold.