A box of Kraft macaroni and cheese and a Heinz Ketchup bottle are displayed together on a grocery store shelf in New York March 25, 2015. Kraft Foods Group Inc, the maker of Velveeta cheese and Oscar Mayer meats, will merge with ketchup maker H.J. Heinz Co, owned by 3G Capital and Berkshire Hathaway Inc, to form the world's fifth-largest food and beverage company. REUTERS/Brendan McDermid