Lines at the supermarket?: Abbr crossword clue

Are you having trouble finding the answers to Lines at the supermarket?: Abbr clue of the Wall Street Journal Crossword? Well your search ends here, because our team have found all the answers to today’s Wall Street Journal crossword.
I must admit that this clue is not so easy. It took us some time to find the right answer to Lines at the supermarket?: Abbr. You already know the answers has 3 letters. If you still cannot find it, here it comes.

Clue: Lines at the supermarket?: Abbr
Answer: UPC
Now you know the answer to Lines at the supermarket?: Abbr. It’s time to go back to find the answers to others clues on Wall Street Journal May 19, 2018

Wrong answer?
Sometimes one clue can have more than one possible answer. For example, the clue “Wall Street buys” can have 3 answers: SHARES, BONDS, STOCKS found on these crosswords: Eugene Sheffer (Sept. 6, 2014), Newsday (Aug. 14, 2012) and New York Times (May 25, 2010)