Logic Problem
The answer is:
- George Kaufman is the postal worker who bought 11 jacks.
- Marie Usaber is the graphic artist who bought 21 jacks.
- Opie Zellar is the valet who bought 2 jacks.
- Jesse Appleman is the salesman who bought 0 jacks.
- Charles O'Neal is the ice sculpter who bought 10 jacks.