File photo of Kraft macaroni and cheese products on the shelf at a grocery store in Washington

 
File photo of Kraft macaroni and cheese products on the shelf at a grocery store in Washington
Kraft macaroni and cheese products are seen on the shelf at a grocery store in Washington in this May 3, 2012 file photo. Kraft Foods Group Inc posted quarterly earnings that far exceeded Wall Street estimates on May 2, 2013, as increased spending on some of its biggest brands paid off, sending the company's shares higher. REUTERS/Jonathan Ernst/Files