Tax on a food bill is always a service charge and a con if you ask me. I always tip ( To Insure Promp Service) 20 % but really object to that con and anybody who tries to defend it. I know many folks who will never add any more $$ if that tax stunt is pulled. Your captain should be ashamed for defending and lying about it. We dont need to pi$$ off or ripoff folks who are jumping though hoops to spend their $$ here..Rant over.