The Scene - A busy Supermarket. 10 minutes wait then the person in front get to be served. After totting up the bill the assistant asks for 14.99. At this point person in front starts searching for a wallet or purse. After much fumbling and emptying of bags and pockets out comes a purse or wallet. Then they start counting out the exact amount 60, 65,70 74 no sorry I haven't got the right money. They they hand over a ?20 Note. WHAT A FLIPPING WASTE OF TIME. Did they not realise they would have to pay while they waited in the queue? Could they not have a bit of a guess as to how much is due while waiting. ARGGGGGGH!