Ann: Drilling Update-DKO.AX, page-117

I notice the performance options first kick in at 5Mt. Looking at a MC comparison DKO although not quite in line with AJM (grades being equal) a MC of $60-70M would do it.

The real re-rate will come if they close in on 15Mt and 1.2%. That will take more time and money. And with another 5 million performance DF has plenty of motivation