4. Discuss whether each of following statements is true or false and WHY. a) The difficulty of shorting 3Com's stock is one of reasons for the Palm-3Com mispricing b) Money managers can't make any money. Therefore, markets are efficient and price equals value. c) The Siamese Twin Companies of Royal Dutch and Shell is an example of risk-free arbitrage. d) The CAPM implies that investors require a higher return to hold more volatile stocks