I have a question, considering it's usually the "12 bucks a month" people get annoyed with after awhile for FFXI

couldn't, in reality, SE lower the price to a buck a month and still make enough money to keep the servers up? (I'm betting WoW could easily at this point lol) I mean, how much does it cost to keep their servers up (if you included EVERYTHING like staff, GM, server, other hardware, etc)?
Cause let's say FFXI has 4 million subscribed (at least that's the last I heard XD dunno the number now), that's 48 million a year if it was a buck a month. Isn't that enough to run the servers and still make a bit of a profit? XD and if it were that cheap I'm betting more would return and even more would play.