Certainly. You may know that there's a graduated royalty in Alberta. Probably Mr. Stringham can speak in much more detail to this than I can. But it is structured, as well, to allow the return to the original investor first, before the higher rates become applicable. Of course, in the current market circumstances, those rates have come to the 25% level very quickly for new operations.
I would add to some of the earlier points that oil prices have come off 18%—