Which ancient civilization pioneered the first known use of 'fixed price' retail around 3000 BCE, replacing the universal practice of haggling/bartering with standardized pricing for goods?

Throughout history, retail innovations have fundamentally transformed how goods are exchanged and sold. From ancient marketplaces to modern shopping experiences, retail innovation has both reflected and shaped civilizations. This poll explores a fascinating historical retail innovation that revolutionized consumer behavior and set the foundation for modern commerce practices. Test your knowledge about this pivotal moment in retail history!

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Ancient Egypt, where standardized weights and measures led to fixed pricing in marketplace stalls along the Nile
Mesopotamia (Sumer), where cuneiform clay tablets recorded fixed prices for goods in urban centers like Ur
Indus Valley Civilization, where excavated marketplaces show evidence of price-marked goods for trading with foreign merchants
Ancient China during the Xia Dynasty, where silk markets established standard pricing to facilitate trade along early silk routes