Customer: “I’d like to complain about these donuts I bought.”

Me: “Okay, Madam, what’s the problem?”

Customer: “They’re stale. I bought them, went to eat them and they’re stale! I want my money back!”

Me: “Oh, I’m terribly sorry. Let me have a look at them and we’ll sort this out.”

(I look at the bad donuts.)

Me: “Ah, I see your problem, Madam. When did you buy these?”

Customer: “About two weeks ago. Why?”

Me: “Well, the use by date was about ten days ago which explains why they were stale.”

Customer: “So?”

Me: “You have to eat them by the use by date or they’ll go stale. I can’t give you your money back.”

Customer: “This makes no sense! I didn’t get a chance to eat them so I want my money back!”