I'm not saying tying up the entire line for that isn't ridiculous, because it is. She should have gone to the courtesy desk...not the cashier.
But I would have a problem if a young man....better yet, any man said this to me!
*"I'm going to be late getting back to work and you are making this whole line of people waste their time over fifty measly cents. I'm going to loose out on 5 times that because you can't pull your head out of your ass long enough to listen to reason and admit you're wrong."*