RE:Copper comparisonendzone, the numbers don't lie and the PEA at $274 million free cash flow was put out by Ausenco a reliable source...and there is so much more coming ...but don't get me wrong the Capex will increase but that is a set number and after the build it's just upkeep...this free cash flow was at $7.75 lbs...it won't take long to payback the 2 billion build...the carbon credits in itself will eat up a good chunk...glta