Related Clues:

• Your financial advisor may advise it
• ''The Stepford Wives'' author Levin
• Nest egg acct.
• Retirement acct.
• Nest egg feature
• Novelist Levin
• 15 percent, often
• Plan for the future
• Nest-egg choice
• You can bet on it
• Diner's prerogative
• It's left behind in good restaurants
• The lyrical Gershwin
• 401(k) supplement
• Line on a bill