Well, about 5$, I suppose :p
(I knnow it was a cheap one but I couldn't resist)
As a note, Sean K.Reynolds has a version on his site, at
http://www.seankreynolds.com/rpgfiles/prestige/prestige.html
(I have also seen 2 others in .doc files but they were way overpowered)
Hope it helps,
Xeovke