Which ancient civilization invented the first known form of a standardized 'price tag' system for retail products around 3000 BCE?

Before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail systems that shaped early commerce. These early marketplaces weren't just places of trade but centers of cultural exchange and innovation. From specialized vendor sections to quality control measures, ancient retail spaces established principles still used today. Test your knowledge about how our ancestors approached product development and retail technology thousands of years ago!

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Mesopotamia, where clay tablets marked with cuneiform listed fixed prices for standardized goods in temple marketplaces
Ancient Egypt, where papyrus labels with hieroglyphic prices were attached to goods in the royal bazaars
Indus Valley, where soapstone tokens with numerical symbols indicated product values in city markets
Ancient China, where bamboo slips with price characters were tied to merchandise in Zhou Dynasty shops