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

The ancient world was filled with remarkable retail innovations that shaped commerce for centuries to come. From sophisticated trade networks to unique product design elements, these civilizations created retail practices that in some cases are still influential today. Test your knowledge about how ancient civilizations approached retail and product development in ways that were revolutionary for their time.

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Ancient Romans with their fixed-price 'mercatus' system
The Lydians who paired their invention of coinage with standardized pricing
Ancient Egyptians through their 'bureau of commerce' under Pharaoh Ramesses II
Mesopotamians in the city of Babylon during King Hammurabi's reign