Bags Of Indecision

(By law, we now charge 5p for carrier bags. I begin to serve a customer who has quite a few items with her.)

Me: *while scanning items* “Would you like a bag for these? They’re five pence.”

Customer: *retorting* “No. I’m not paying five pence for a bag!”

Me: *politely* “Okay, then, that will be [amount], please.”

(The lady pays for her items, and just as she’s about to take them:)

Customer: “Excuse me?! Where is my bag?!”

Me: “…”