Which of the following is/are correct regarding agency costs? 1. Indirect costs occur when managers, acting to minimize the risk of the firm, forego investments shareholders would prefer they take. II. Direct costs occur when shareholders must incur costs to monitor the manager's actions. III. Direct costs occur when managers buy assets considered necessary by the firm's owners. Select one: O a. II and III only b.land Il only O cll only d. 1. ll, and III e.lonly