Customer: “I’d like to have this book.” *holding a yoga book about relaxation with discount sticker on it*

Me: “I’m sorry sir. There seems to have been a mistake here. The book is to be sold at full price. The sticker was put on it by mistake.”

Customer: *A bit frustrated* “Can I get a discount anyway?”

Me: “I’ll see what I can do.” *trying to change the price in the
register* “…I’m sorry. This book has a locked price.”

Customer: “Well, shove it up your a**hole then!” *storms out*