Resource Rising Stars - SMD on Disallowed list!, page-73

Just doing some rough figures on the potential of Kalman. Im using AOH's DFS (http://www.altonamining.com/static/uploads/documents/Little_Eva_DFS_Update_-_March_2014.pdf) for figures, there deposit is large but lower grade, could be a reasonable comparrison.

C1 cash costs = 1.65 per/lb x 2204 to get cost per tonne
C1 cash cost per tonne = $3636.00 per tonne
Capital costs = $262 million

Price per tonne of CU = $7,000

So if we have 460,000t of contained copper x ($7,000 - $,3636) or $3,364) = $1,547,440,000 profit

so $1,547,440,000 - say 300 million for capital, leaves us with 1.2 billion profit

Have I missed something or gone wrong with the figures here?