They spend their time in line doing a wallet inventory and sorting through their coins. When the till person announces the bill, they immediately hand over an approximately correct amount of money, keep their hand extended for the change however long it takes or foolish they may begin to look if there is, say, a problem with the till roll, and then – mark this – pocket their change as they walk away instead of deciding that now is the time to search for the car keys and reorganize six months’ worth of receipts.
