DoggyDaddy stated:
Uncle Sam does not want anybody to think that their tax dollars are used for someone living "high on the hog".
This harkens me back to when I was a temp employee with a city government many years ago. You had to pay for coffee (or join the coffee "club") because the city didn't want the employees to have that luxury. It didn't matter that most offices at the time provided coffee.
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The only difference between ordinary service and extraordinary service is a little EXTRA.
-- Bob