Prices

I went in to the local Roy Rogers fast food outlet yesterday
(never mind why, it certainly was not for myself!). On one
section of their price board, above and behind the cashiers, was
the following list:

bottled water $1.45
coffee or tea $1.25
milk $1.10
orange juice $1.35

Now, I lead a lonely life here. I insist that nearly everybody in
my culture is insane, and as a result, must people want nothing to do
with me. But am I really wrong? What am I missing?