Final answer:
The training seminar Zack Freedman must attend is likely related to advanced sales techniques, new product information, or updates in company policies, which are common for experienced salespersons to stay updated on business practices and market changes.
Step-by-step explanation:
Zack Freedman, being an experienced salesperson who has been with his company for 20 years, would likely be attending a training seminar that is related to advanced sales techniques, new product information, or changes in company policies or procedures.
Companies often require even seasoned professionals to attend such seminars to ensure everyone is up-to-date with the latest methods, products, or regulatory changes. Continuous learning is crucial in the business world to maintain a competitive edge and adapt to evolving market conditions.