Which product was the first to be scanned with a barcode in a retail transaction?

The humble barcode revolutionized retail operations and inventory management worldwide. This seemingly simple pattern of black and white stripes transformed how products are tracked, sold, and inventoried across the globe. But do you know when this retail innovation first made its commercial debut? Test your knowledge about this pivotal moment in retail history!

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