[Jerry and an irate customer argue over a sealant that the customer had previously indicated he didn't want, after Jerry has gone off to pretend to talk to his boss]
Jerry Lundegaard: Well, we've never done this before. But seeing as it's special circumstances and all, he says I can knock a hundred dollars off that Trucoat.
Irate Customer: [stunned that Jerry still intends to charge him for something he didn't order] One hundred... You lied to me, Mr. Lundegaard. You're a bald-faced liar. A... fucking liar.
Irate Customer: [to his wife, frustrated] Where's my goddamn checkbook? Let's get this over with.