You have got to be kidding me right!
Google is going beyond the realm of reason here. Why not just say "hey we are going to charge you whatever we want and you will never have the ability to work out how much you pay."
Who is the arbitrator of High Quality or Low Quality... what happens if my page is seen by someone having a bad day?
Come on Larry and Sergey if you need more money just let us know and we will pass the hat. That would be far better than the robbery you are performing with this roll out!