In this post below, at $1650 gold, the Yellowknife Gold Project pays for itself in ONE YEAR.
At $2,000 gold, you can extrapolate an NPV of ONE BILLON DOLLARS.
http://agoracom.com/ir/Tyhee/forums/discussion/topics/472844-tyhee-npv-irr/messages/1525566#message
How lousy is that?