The cyberattack that disrupted United Natural Foods Inc.’s business in June cost the company about 5% of its sales in the fiscal fourth quarter, the company said in a conference call with analysts on Tuesday.The cyberattack also reduced the company’s adjusted EBITDA for the fourth quarter by approximately $50 million.UNFI had previously estimated that the cyberattack, which began on June 5 and sent its customers scrambling to place orders manually, could cost it as much as $425 million in lost sales. The co ...