Have you ever wondered why rotisserie chickens are so cheap? Or how a grocery store can afford to serve prepared foods and a salad bar with so much fresh food every day? Truth is, it can’t, and it has to do with a common mis-understanding of the sell-by, use-by and best-by dates labels. Cat Vasko picks apart the curious economics of a full-service supermarket in Los Angeles.

(via nytimes.com/wwr)

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