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Krispy Kreme Doughnuts -- 1.9 million
This statistic refers to the Original Glazed variety of Krispy Kremes, served piping hot at various spots along the daily commute. If each doughnut costs 79 cents, Krispy Kreme businesses pull in more than $1.5 million a day on Original Glazed doughnuts alone. That's not including crullers, jelly-filled doughnuts, or coffee.