It can be quite a bit.
One of the things we talked about here, amongst many things, is the access to revenue by which you survive, which I'm sure is probably a bigger issue for you than it is for any of us on the east or west coast. What is the situation?
Mr. Earle, I'll start out with you, and Mr. Toomasie as well.
For infrastructure that exists in OA, what do you take in as revenue? What are your primary sources?