In which year and at which retailer was the world's first self-checkout system commercially implemented?

Self-checkout technology has transformed the retail landscape by reducing wait times, offering customers more control, and helping retailers manage labor costs. But do you know when and where this retail innovation first appeared? Test your knowledge about this pivotal retail technology that has become ubiquitous in modern shopping experiences and continues to evolve with advancements like cashierless stores and mobile scanning options.

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1992 at Price Chopper in New York
1987 at Walmart in Arkansas
1998 at Tesco in the United Kingdom
2001 at Target in California