Yesterday, in ASDA, we purchased the above box of fungi. It clearly states a price of £1 as it was a special offer. There was no bar code, just a product number. If you are familiar with the self-service tills at supermarkets, you will understand this. The highly trained operatives in ASDA, one would think, would be similarly familiar. Ours, on inputting the number into the machinery, received a prompt: "Enter amount" the screen said, which she repeated audibly. She stopped, thought for a second and, notwithstanding the fact that she was about to charge us £1 for every item, proceeded to count every mushroom in the box. Oh.