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

The retail landscape has been dramatically transformed by technology over the past few decades. One innovation that fundamentally changed the customer experience was the introduction of self-checkout systems. These systems reduced wait times, allowed stores to reallocate staff, and gave customers more control over their shopping experience. But do you know when and where this retail technology milestone first appeared? Test your retail technology history knowledge with this question!

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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