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McDonald's Meal

McDonald's Meal

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MILAN, ITALY - DECEMBER 02: Employees of McDonalds offer burgers, fries and soft drinks to the first customers of the new McDonald's on December 2, 2013 in Milan, Italy. (Photo by Pier Marco Tacca/Getty Images)

MILAN, ITALY - DECEMBER 02:  Employees of McDonalds offer burgers, fries and soft drinks to the first customers of the new McDonald's on December 2, 2013 in Milan, Italy.  (Photo by Pier Marco Tacca/Getty Images)

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SAN FRANCISCO, CA - JANUARY 30: A sign is posted in front of a McDonald's restaurant on January 30, 2018 in San Francisco, California. McDonald's reported better-than-expected fourth quarter earnings with global same-store sales growing at the fastest pace in six years. Fourth quarter net income dropped 41 percent to $698.7 million, or 87 cents per share, compared to $1.19 billion, or $1.44 per share one year ago. (Photo by Justin Sullivan/Getty Images)

SAN FRANCISCO, CA - JANUARY 30:  A sign is posted in front of a McDonald's restaurant on January 30, 2018 in San Francisco, California. McDonald's reported better-than-expected fourth quarter earnings with global same-store sales growing at the fastest pace in six years. Fourth quarter net income dropped 41 percent to $698.7 million, or 87 cents per share, compared to $1.19 billion, or $1.44 per share one year ago. (Photo by Justin Sullivan/Getty Images)

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Fast food

Fast food

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NOVATO, CA - DECEMBER 08: In this photo illustration, a McDonald's cheeseburger and fries are displayed on a table at a McDonald's restaurant on December 8, 2014 in Novato, California. McDonald's reported a worse than expected decline in November global same-restaurant sales. (Photo Illustration by Justin Sullivan/Getty Images)

NOVATO, CA - DECEMBER 08:  In this photo illustration, a McDonald's cheeseburger and fries are displayed on a table at a McDonald's restaurant on December 8, 2014 in Novato, California.  McDonald's reported a worse than expected decline in November global same-restaurant sales. (Photo Illustration by Justin Sullivan/Getty Images)