--I think what we found from the report was that the departments themselves did not have a methodology by which they could calculate.
Our understanding is that they will look at the tax returns that Canadians will submit through Revenue Canada in 2011. Then, based on the number of people who have taken the tax credit, they will do some analysis. But from our side, we were unable to determine how they would do that analysis. We simply don't know. It's probably something you may want to ask Finance Canada and Environment Canada.
We think, given the complexity of showing causal links between tax incentives and how people change their behaviour, it would be extremely difficult to assign a causal link between the tax credit itself and actual reductions.