Oskar: Trade goods, that's the only currency that'll be worth anything in the ghetto. Things have changed, my friend. Did I call this meeting? You told Mr. Stern you wanted to speak to me. I'm here. I've made you a fair offer.
Man: Fair would be a percentage in the company.
(Oskar laughs)
Is there any joke exist in Man's words?
Source: Schindler's List (1993)