The tungsten price they use is the ex-Europe which pulled back from $340 to $275-$290 mtu. It has been at this level for the last couple of months. Mitsubishi had previously said they would were looking for a price above $250 as the project was profitable. At $275, good money can be made.
Hey VCR999 why don't you sell an overpriced asset TGN and come and join the party. I'm sure the market won't instantly understand the true value of any deal as it will take time for those non followers to understand the project(s) potential.