Costs per unit
THE ANSWER IS
The answer is RATES.
Tap reveal when you’re ready—the letters stay hidden until then.
Why it fits
RATES is the 5-letter answer to “Costs per unit” in the December 23, 2023 Lexigo puzzle. Every answer must also trace a connected path across touching hexagons, with each word linking to its neighbors in the chain—so RATES both satisfies the clue and fits the day’s board.