Editorialist: In a large corporation, one of the functions of the corporation' s president is to promote the key interests of the shareholders. Ttherefore, the president has a duty to keep the corporation' s profits high. Which one of the following, if true, would most strengthen the editorialist's argument? ['In considering where to invest, most potential shareholders are interested in more than just the profitability of a corporation.', 'Shareholders sometimes will be satisfied even if dividends paid to them from company profits are not high.', 'The president and the board of directors of a corporation are jointly responsible for advancing the key interests of the shareholders.', "Keeping a corporation's profits high is likely to advance the important interests of the corporation's shareholders."]