THEM: i'd like the book, and two balls. you can have the hat and a ball.  YOU: not going to happen  THEM: what do you want then?  YOU: i am a coach, i want all three balls  THEM: how about i take the book, a hat and one ball? you'd get two balls. even then i'd be taking a bit of a loss.  YOU: that would work  THEM: ok great. deal.  YOU: thanks.