When and where was the world's first commercial self-checkout system installed in a retail store?

Self-checkout technology revolutionized retail by reducing wait times and operational costs. While commonplace today, this innovation faced significant skepticism when first introduced. Test your knowledge about this retail technology breakthrough that changed how we shop forever. Can you identify when and where this retail innovation first appeared in stores?

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1992 at Price Chopper in New York
1986 at ShopRite in New Jersey
2001 at Walmart in Arkansas
1992 at Schnucks Supermarket in Missouri