I went through personal records thoroughly, and there doesn't seem to be a Clarence Beeks employed with the firm.
7 seconds sound clip from the Trading places (1983) movie soundboard.
You can hear this line at 00:12:22 in the Blu-ray version of the movie.
Quote context
[...]
- And no forgetting to sign the big ones.
- We are paying some of our employees an awful lot of money.
- You can't get around the old minimum wage.
- 50000 dollars to Clarence Beeks! Who the hell...
- I meant to ask you about that.
- Oh, Clarence Beeks. Oh, yes, of course.
- He's doing something top secret for us.
- Never forget she's our grandniece - you'd better make an honest woman of her.
[...]