What product was the first ever to be scanned with a barcode scanner in a retail transaction?

In the world of retail and commerce, few inventions have had as profound an impact as the humble barcode. This seemingly simple pattern of lines revolutionized inventory management, checkout speed, and overall retail operations worldwide. But do you know when this groundbreaking technology first made its commercial debut? Test your knowledge about this pivotal moment in retail innovation history!

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A 10-pack of Wrigley's Juicy Fruit chewing gum
A carton of Marlboro cigarettes
A bottle of Coca-Cola
A loaf of Wonder Bread