Related Clues:

• Cashless deal
• Baseball news
• It's a living
• Brief argument
• Transaction
• Carpentry or plumbing, e.g.
• Quarters, e.g.
• Line of work
• Occupation
• Profession
• Word with horse or free
• Adapt
• Buy and sell
• Vocation
• With 38-Across, what the four key parts of this puzzle are