As Jean-Denis said, we're prudent. It reflects our best guess. No one seems to really know where we could land, and 25% seemed to be an agreeable number when we reached out to stakeholders. Again, we do go up to 30% in our sensitivity analysis. I think it's very easy to assume as well that if the savings were to be even greater, you can do that calculation quite simply and see where you would arrive.
On October 17th, 2017. See this statement in context.