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A Wendy's Co. classic double cheeseburger and french fries are arranged for a photograph at a restaurant location in Mt. Vernon, Illinois, U.S., on Wednesday, July 29, 2015. Wendy's Co. is scheduled to release quarterly earnings on August 5. Photographer: Luke Sharrett/Bloomberg via Getty Images

A Wendy's Co. classic double cheeseburger and french fries are arranged for a photograph at a restaurant location in Mt. Vernon, Illinois, U.S., on Wednesday, July 29, 2015. Wendy's Co. is scheduled to release quarterly earnings on August 5. Photographer: Luke Sharrett/Bloomberg via Getty Images