Again, yes, we have a directorate of costing services. Our chief financial officer's work was done on what would be the rough order of magnitude approach for infrastructure in that model. They looked at hangars and what kinds of runways. Again, I would just say that it was early work. The aircraft itself was still evolving, so what would it entail and what would we need to do? Some work was done there. I'm sorry to say that I don't know the resulting numbers.
On May 5th, 2016. See this statement in context.