Which pricing strategy is traditionally employed during Japan's 'Tanabata' (Star Festival) by vendors selling tanzaku wish papers and decorative items?

Traditional cultural festivals around the world have evolved unique economic ecosystems over centuries. Today, artisans and cultural vendors face the challenge of pricing their authentic goods in a global market while preserving heritage values. This poll tests your knowledge about specialized pricing approaches used in significant cultural celebration markets that balance tradition with commercial viability.

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Psychological pricing (ending prices in 9s) to maximize modern retail profits
Bundle pricing based on the 'five colors' tradition, where purchasing all five symbolic colors together costs less than individually
Dynamic surge pricing that increases costs as the evening star-viewing hours approach
Loss leader pricing on bamboo items to drive purchases of more expensive festival foods