Customer: "When we purchased the kit off you last month you supplied 3 copies of Office 2007 but Debbie's machine cant open the documents"
Me: "That's because she is on Office 2000 you need to purchase another 2007 license"
Customer: "But we've already paid you for sorting our system out"
Me: "Yes but you said to leave Debbie's machine"
Customer: "Well I don't think that's very good customer care you should make a gesture of good will and sort this out"
Me: "I want to this is why I have advised you that you need to purchase an additional license or make sure everyone saves in the old format"
Customer: "We are not spending any more money this really is not good enough"
I just cant think of a witty response for the minute other than "Nice try".