THEM: you can have 2 balls & 1 hat  YOU: i want 1 book and 3 hats  THEM: i also would like 3 hats & 1 book  YOU: then i want 1 book 2 hats and 2 balls  THEM: that leaves me with almost 0 - no deal  YOU: then i can give you 2 balls  THEM: balls are 0  YOU: fine ill take the balls and the hats and the book then  THEM: that is everything  YOU: well you said balls are 0 i was prepared to give you the balls but you dont seem to want them  THEM: they have no value. i want book and 2 hats  YOU: cant give you that no deal.