Well, I even had to look at the keyboard to figure out how far apart the X
and Y are. The only time they ever got that close was in my macroeconomics
class.

Hmmm. In my macro class, Y stood for National Income, as in C+I+G=Y,
but I don't remember an X. Perhaps that was the mark your teacher put
on your paper, right next to your answer?

vince