The nutrition information is based on standard product formulations and serving sizes (including ice for beverages). All nutrition information is based on average values for ingredients from McDonald's suppliers throughout the U.S. and is rounded to meet current U.S. FDA NLEA guidelines.
Well, it is true that everyone has to pay taxes, there are exceptions, especially for people age 65 and older. But there is no age at which you stop filing. You just need to check your income and the tax rules every year to determine if you need to report any of your income.
For single dependents who are over 65 or blind, you generally must file a federal income tax return if your unearned income was more than $2,400 ($3,850 if 65 or older and blind) or if your earned income was over $7,400 ($8,850 if 65 or older and blind).