What was the first product ever scanned with a UPC barcode in a retail store transaction?

In the history of retail technology, few innovations have had as profound an impact as the humble barcode. This standardized method of product identification revolutionized inventory management and checkout processes worldwide. Test your knowledge about this pivotal moment in retail history that fundamentally changed how stores track merchandise and process transactions.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

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