Which ancient civilization invented the world's first standardized retail pricing system, replacing variable haggling with fixed prices marked on products?

Before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail systems that revolutionized how people acquired goods. From the elaborate bazaars of Mesopotamia to the multi-story shopping complexes of Rome, retail innovation has deep historical roots. This poll tests your knowledge about one of history's most significant retail innovations that changed commerce for centuries to come. Do you know which ancient civilization pioneered this revolutionary retail concept?

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Ancient Egypt, where Pharaoh Thutmose III established the 'Royal Price' system in 1450 BCE
Babylonian Empire, where King Hammurabi's famous code included fixed pricing laws for merchants in 1754 BCE
Roman Empire, where Emperor Augustus instituted the 'Pretium Iustum' (Just Price) system in 14 CE
Ancient China, where the Han Dynasty created the 'Imperial Standard Value' pricing in 120 BCE