There's an energy audit before and after. We have a best practice that requires that an energy audit be performed every five years to assess this kind of difference that might occur over time. Typically, during those five years, improvements are made to a building. Renovations are made to the building that should lead to an improvement in energy consumption, which would then lead to a reduction in costs.
I could see a few reasons why that wouldn't be so obvious. One is that maybe money was reinvested in some other initiatives. For example, we often see—