Qrm's original April 2010 analysis was that they could make 7 billion over the life of the mine. this was based on the 3 yr average price (2007-2009) of REE's. Those prices would have to decline way below todays levels.
Quebec Territorial Government will not want to lose out on this kind of revenue 30% of profits. They will do everthing that is necessary to see that businesses like these above the 49th parallel.