Which ancient civilization first introduced standardized retail pricing, replacing the traditional haggling system with fixed prices for consumer goods?

Before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail systems that shaped economic history. From Mesopotamian market stalls to Roman commercial complexes, retail innovation has ancient roots. This trivia question explores one of history's earliest retail innovations that continues to influence commerce today. Test your knowledge about how our ancestors bought, sold, and managed the earliest consumer marketplaces!

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Ancient Rome, where the 'Taberna' shops in the Forum displayed price tablets for standardized goods around 200 CE
Ancient Egypt, where papyrus records show Pharaoh Ramesses II ordered unified pricing across the kingdom's marketplaces in 1250 BCE
Ancient Greece, where the Agora of Athens implemented the 'stele timōn' (price pillars) listing official prices in 500 BCE
Ancient China, where Han Dynasty officials created the 'ever-normal granary' system with imperial price controls in 120 BCE