they did that with there crisps, i went in one day bout the for 79 pence then the next got some more, they were over a pound with a roll back sticker, i asked the bloke near the aisle was they taking the fooking piss, he told me it was a price reduction, glad i keep my reciepts in my wallet hahaha, dont go there anymore, i havent seen tesco take the fooking piss as of yet