TIP INCLUDED

I BEEN GOING TO THE THAI RESTURANT ON 7TH AVE AND CARROLL ST FOR MANY YEARS,LAST WEEK I NOTICED TIP WAS ADDED TO BILL .THIS MADE ME UPSET. YOU CANT TELL PEOPLE WHAT TO TIP,IN FACT THEY SAVED ME MONEY AS I WOULD HAVE GIVEN MORE THEN THEY TOOK ON THERE OWN.....AND I MAY NEVER GO BACK.