say he ordered a drink = $9and whatever else he had to eat got compedhe could still tip the waiter/ress on whatever his bill was before the compand as the bartender, I would get tipped from the server based on the alcohol salesi.e., if the entire bill was comped, I would have actually lost moneyI'm not saying that's what happenedbut it's an example of why an entire bill wouldn't be compedto reiterateusually, when something is comped on a bill out of good willthat usually translates to a larger tip for the serverif the entire bill was comped, tipping 0 would be foulyou followmanagers love to comp bills for celebritiesin the hopes that they become a returning customerit gives their establishment profile
---------------------------------------------------------------If you can't understand it without an explanationyou can't understand it with an explanation