It's been a pleasure doing business with you.
4 seconds sound clip from the Half Baked movie soundboard.
You can hear this line at 01:11:54 in the Blu-ray version of the movie.
Quote context
[...]
(Samson) Just call me Jesse Owens.
- Jesse, can we get some cocaine and get the hell out of here?
- Okay.
- Can I buy some of your heroin, too?
- Okay.
- It's been a pleasure doing business with you.
- Thank you very much for the heroin and the cocaine.
[...]