Selling duck legs for 16 yuan as if they were goose legs to students, with a planned sales volume of 360,000 over these years, and a wholesale cost of 3 yuan per duck leg, the older sister earned a profit of 4.68 million RMB relying on students from Tsinghua and Peking University.


Only now has everyone realized that she was selling duck legs, not goose legs.
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SteadyProgress
· 9h ago
It's all about human relationships and social etiquette.
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