Possible Clues:

• Another helping to wrap up old project
• Jerry takes on minor role after hours to project from experience
• Infer from what's known - to repeal tax (anag)
• Conclude from other data
• Poleaxe tart? Mad project!
• From available information draw conclusion to repeal tax changes
• Infer perhaps wide dish is empty?
• Conclude there's a requirement for an unexpected dinner guest to eat nothing
• Draw conclusion more work is sent up after hours
• Make a prediction based on available data