Related Clues:

• "... __ additional cost!"
• -- charge (gratis)
• Oxygen's 8: Abbr
• W's is 74
• 13 for Al, e.g
• "___ cost to you!"
• Fig. for I, O or U, but not A or E
• '... -- extra cost!'
• __ cost (gratis)
• 8 for O, e.g
• Words before time or point
• O's is one more than N's
• '... ___ cost to you!'
• Periodic Table stat
• 7, for N