Piece de Resistance - Ten Quotas. Nine Passed. Your Turn

Question

Ten Quotas. Nine Passed. Your Turn

_{This puzzle is part of the "Piece de Resistance" series. Go back to Part 1 (Ace) for the story.
Ace Two Three Four Five Six Seven Eight Nine Ten...}

Hmm... this is... a comic strip??

Answer 1

I believe the answer is

ESL

Because

For each price tag, you should try to speak them out...
And notice the initials!

Two Hundred Euros
Sixteen Thousand Eleven Wons
...
Eighty Nine Dollars
Eighty Seven Levs