In which year was the first self-checkout system implemented in a retail store?

Self-checkout technology revolutionized the retail landscape by improving efficiency and reducing labor costs. This innovation has become a standard fixture in modern retail environments, but do you know when this technology first appeared in stores? Test your knowledge of retail technology milestones that have shaped the consumer experience and retail operations over the decades.

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1992 (at Price Chopper in New York)
1984 (at Safeway in California)
2001 (at Walmart Supercenter in Arkansas)
1978 (at Kroger in Cincinnati)