A man goes into a "£1" Bakery, where everything is on sale for £ 1...
"What price are the chocolate eclairs?", he asks. "A pound" replies the baker
"What price are the sausage rolls?", he enquires. "A pound" replies the baker, "We're a pound bakery".
"Then why has that one cake up on the shelf there got a sticker on it saying £ 2 ?", asks the man, pointing.