OMG we now have a generation of retail staff that simply can't make change when you pay with cash.
Also, stupid retail policies/procedures:
So my wife orders my little guy a fall jacket online, and because we spent over $100 we got 50% off the order. As ridiculous as that sounds. So it's too big, and I run into the brick and mortar store to do an exchange. Keep in mind, the 50% discount is applied to the bottom line, not individual items. So I' assuming I need to do an exchange to maintain my pricing.
Girl: Umm, online order, can't do an exchange, but I can refund and you can re-buy.
Me: Sure, whatever
Girl: Okay, your refund is xxxx
Me: Wait a minute, that's more than we paid
Girl: No no, look, it says right there on your receipt you payed $39.99 plus tax
Me: The 50% discount at the bottom?
Girl: Blank stare. Please tap your card.
Me: Well, I'm not gonna argue with you....
Girl: Okay, your total today on your purchase is $22.99
Me: Umm, that's a lot less than my refund?
Girl: We have 50% off today!