this has been on my mind for several years, so i'm just going to air it and see where everyone stands.  i'm assuming (uh-oh!) that fellow coffee shopkeeps/baristas/etc. will side with me, and that's cool.  if you don't, (not cool), but, i'd really like to understand the reasoning behind it! the deal is:  at my location, the first cup of coffee is $2.25.  the second cup is $2.25. the third cup is,…