Certainly refineries are a very capital-intensive business. You are talking about anywhere from $7 billion or more to build a new refinery. In our presentation we talked about the kind of capital investment that has been required over the last 30 years in Canada to maintain a viable and competitive refining sector. That's about $40 billion on an annual basis right now. The investment requirement to sustain and maintain our competitiveness is about $3 billion per year.