Thanks for your reply. I looked into both those things hoping maybe you were right and found this:
jackpot gets fueled at absolutely no extra cost
to the player. Each time a player sits down at a Sit
& Go, he pays his normal fee
and nothing more ..."\
"On April 5th, 2014
, Americas Cardroom
and all Winning Poker network sites will no longer be raking an extra 25¢ from every pot, the entire Beast pool will come from the ACR portion of the rake"
Besides, if they were collecting extra fees on top of the normal ones, one would hope there would be some documentation of that withing their ledger system.