That would actually depend on the types of priorities—if it's water issues, if it's wildlife habitat. Just to give you an example, I know that there was some legislation being proposed in Ontario about protecting certain land-based birds, and the production cost to farmers was going to be fairly high on that.
So again, it could vary, depending on the farms. I think this is why I'd go back to really setting what the priorities are to start with, in order to get a handle on what the costs would be. Set the priorities and identify what some of the options might be for solutions, and then I think you could get into some of the costs.
Just to comment on your question on regulation, though, I think we'd likely understand that regulation may be necessary, but it's the last-ditch approach. Stewardship incentives should be number one in trying to get that cooperation, because that is where you get a lot more bang for the buck.