Which ancient civilization first introduced a standardized retail pricing system with fixed price tags, eliminating the need for haggling in their marketplaces?

Before modern retail technology, ancient civilizations developed sophisticated commercial systems that laid the foundation for today's retail innovations. From the bustling markets of Mesopotamia to the complex trade networks of Rome, these early societies created remarkable solutions for commerce, customer engagement, and product distribution. Test your knowledge about how ancient civilizations approached retail innovation and customer experiences in ways that still influence modern business practices.

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Ancient Rome (implemented by Emperor Diocletian's Edict on Maximum Prices in 301 CE)
Ancient Egypt (during the New Kingdom period under Pharaoh Amenhotep III)
Ancient China (during the Han Dynasty's market reforms)
Ancient Greece (in the Athenian Agora under Pericles' administration)