Related Clues:

• Dosage, e.g.
• 'Monopoly payment'
• Word with state or sales
• With 16-Down, county board, at times
• Line on a cash register receipt
• Price booster
• Worker's burden
• Paycheck deduction
• Receipt addition
• Weigh down
• Sale add-on, perhaps
• Price add-on
• Part of the tab, often
• Word with luxury or sales
• Stress