20) Managers are considered to be "agents" of the firm's owners because A) they put shareholder interests above concern for social responsibility B) they themselves are usually the largest shareholders in the firm c) they always act in the best interests of the owners D) they have been delegated authority to manage the firm 21) A security with which of the following Moody's ratings would have the lowest yield, other things equal? A B B) Ca C) Baa D) Aaa 22) "Shareholder wealth" in a firm is represented by A) the number of people employed in the firm B) the amount of salary paid to its employees the book value of the firm's assets less the book value of its liabilities D) the market price per share of the firm's common stock