you know...... i would have looked right at her and said..
"so it sounds like what you are telling me, is THIS tea is no good. its not even the same stuff as the tea you served me, and you are trying to make sure i cant blame you when it doesnt taste right? is that it?"

geez, way to kill a sale
where is this so i dont go in there, because i woudl totally have flipped

nice retort by teh way