Bloomberg | SupplyChainBrainIn the fall of 2015, after all his grapes had been grown, picked, and bled into big oak barrels, Mark Tarlov started doing math. Like any good vintner, he tallied his costs - for labor, equipment, even packaging - and broke it all down by the bottle. Finally, he calculated a price, with a 45 percent profit margin, and set about building a website he'd use to sell it. January 12, 2017
