You should also get some information on whether it actually works. I would submit that you could get rid of it completely, and even if it saved you five cents, you're going to be further ahead. You have to go through the whole system. There's a domino effect that occurs here, and to try to get a number on it is very difficult. But it's not being used to any purpose right now, so why the hell keep it?
On October 5th, 2006. See this statement in context.