Season 5, Episode 18: "The Raincoats"

You know, I've been thinking.

Why is Kramer getting 25 percent?

Well, he told you about the place.

So what? Why is that worth 25 percent?

It's a finder's fee. You know what a finder's fee is?

You find something, you get a fee.

A finder's fee is 10 percent, no more.

Well, it's too late now.