Which of the following actions would be likely to encourage a firm's managers to make decisions that are in the best interests of shareholders? O a. The firm's board of directors gives the firm's managers greater freedom to take whatever actions they think best without obtaining board approval. b. The state legislature passes a law that makes it more difficult to successfully complete a hostile takeover. C. The firm's founder, who is also president and chairman of the board, sells 90% of her shares. d. The percentage of the firm's stock that is held by institutional investors such as mutual funds, pension funds, and hedge funds rather than by small individual investors rises from 10% to 80%. o e. The percentage of executive compensation that comes in the form of cash is increased and the percentage coming from long-term stock options is reduced