6 . The 2016 balance sheet of E.I. du Pont de Nemours and Company shows average Dupont shareholders " equity attributable to controlling interest of $9 , 996 million , net operating profit after tax of $2 , 308 million , net income attributable to DuPont of $2 , 513 million , and common shares issued of 950 . 04 4 million . Assume the company has no preferred shares issued . DuPont's return on equity ( ROLE ) for the year is :" A ) 30 . 7% B ) 37. 6% C ) 25. 1 %