re-rating of the sector, page-7

hi all exciting times ahead i think just wondering what anyone thinks what there profits would be if it has a npv of 1billion if they sell half of the project i,m no accountant but was told once that mining companies usually work on 50% of there profit is operating costs....i,m just thinking of what sort of divedend they would be paying if all goes well just thinking out loud thats all thanks