Nice retort.
3 seconds sound clip from the A League of Their Own movie soundboard.
You can hear this line at 00:12:22 in the Blu-ray version of the movie.
Quote context
[...]
- Ever hear of Walter Harvey? Makes Harvey Bars? You know, the candy?
- Yeah, we feed them to the cows when they're constipated.
- Huh?
- It's a real league, professional.
- Mm-hm. They'll pay you $75 a week.
- We only make 30 at the dairy.
[...]