The worker: I want to add the piece rate. Otherwise I go home.
The boss: ok, will add, don't go home, the shipments has to be finished in 2 days. how much you would like to add?
The worker: I need USD0.1 more for each piece.
The boss: that is too much, can be less?
The worker: this style knife is bigger than before, and I have to use more power to take it up...
The boss: ok... do it.