person A: So my boss just gave me a huge bonus for managing to cut down expenses by ten percent
person B: Wow. Well done! How did you do it?
person A: Well it turns out we were spending a bunch of extra money paying for a service we weren't even using anymore. 
person B: That's a good spot then
person A: Indeed. Turns out we were still paying for open lines to use fax machines_comma_ something to do with an old state law. Updated the books and now I'm the golden boy.