First niles financial, inc., is a company whose sole business is to own and operate a bank, home federal savings and loan association of niles, ohio. first niles's directors included bank officers william stephens, daniel csontos, and lawrence safarek; james kramer, president of an air-conditioning company that serviced the bank; and ralph zuzolo, whose law firm served the bank and whose title company participated in most of its real estate deals. first niles's board put the bank up for sale and received three bids. farmers national bank corp. stated that it would not retain the board. cortland bancorp indicated that it would terminate the directors but consider them for future service. first financial corp. said nothing about the directors. the board did not pursue farmers' offer, failed to timely respond to cortland's request, and rejected first financial's bid. leonard gantler and other first niles shareholders filed a suit in a delaware state court against stephens and the others. what duties do directors and officers owe to a corporation and its shareholders? how might those duties have been breached here?