A customer approaches you at the bar and asks for a jug of spirits and mixers. T he customer arrived about an hour ago and was joined by two others shortly afterwards. Each member of the group has purchased at least one round of drinks for the group in the last hour. T hey are becoming very boisterous, talking loudly and appear uncoordinated in their movements and handling of money. U nder liquor licensing laws and responsible service of alcohol standards, you must refuse to serve the customer: you are not allowed to sell mixed spirits by the jug and you believe they are intoxicated