In which year and at which retailer was the world's first self-checkout system installed for commercial use?

The retail landscape has been transformed by numerous technological innovations over the decades. Among these advancements, self-checkout systems have dramatically changed how customers complete their shopping experience. This poll tests your knowledge about the origins of this now-ubiquitous retail technology that has fundamentally altered store operations, customer experience, and retail employment patterns worldwide.

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1992 at Price Chopper in New York
1986 at Kroger in Atlanta
1992 at Schnucks Supermarket in Clayton, Missouri
1998 at Walmart in Arkansas