I estimate GGN to be worth .34 if you estimate risk to be 15%....

I estimate GGN to be worth .34 if you estimate risk to be 15%. Being in a foreign country I would say the risk is higher so it is probably worth a lot less. Please comment.

Gold price : US$423.40
Cash costs:US$233 per oz
Profit per oz: US$190
Reserves: 4.09 (m) oz
Total value over the life of the mines: $777,000,000
No of shares: 430 (m)
Value per share over the total life of the company: US$1.81
Mine life:14
Discounted for time and risk: 15%
Discounted back to the present: US$.255
conversion to Australian dollars: .34