Related Clues:

• Price ___ pound
• Cent starter
• Apportionment word
• See 121-Across
• Unit price word
• "Satisfied?"
• Part of a speed limit
• The ''p'' in wpm
• Unit-pricing word
• Each, to a grocer
• Word on some price tags
• -- diem
• Allotment word
• Like Aquarius, in a way
• Prefix denoting "in a"