Data References:

     1. 2017 Fortune 500:

    http://www.fortunechina.com/fortune500/c/2017-07/20/content_286785.htm

     2. McDonald’s 2017 Financial Release:

    http://corporate.mcdonalds.com/content/dam/gwscorp/investor-relations-content/annual-reports/McDonald%27s%202017%20Annual%20Report.pdf

     3. KFC 2017 Financial Release:

     http://investors.yum.com/annual-reports/Index?KeyGenPage=1073753239