What's the smallest amount you'd ask a friend to pay back? We asked people in New York where they draw the line where it comes to money between friends. Should it depend on the friendship, or simply how much is owed? At what point do you ask for it back - and when do you just let it go? Tap the link in @BBCNews's bio to read more about what others think is the answer. #Money #Finances #News #BBCNews