Related Clues:

• Shiftless !'s?
• Till bills
• Till contents
• XXX, perhaps
• Change for a $20
• Rightmost math column
• They're under exclamation points
• Change for a $20 bill
• Certain 40-Across column
• One of a score's two
• Second column
• Unspecified persons
• Bills with Washington on them
• George's bills
• White bills in Monopoly