QUESTION 3 You buy 100 shares of IBM at 30 on margin. Initial margin is 50%. Maintenance margin is 40%. Do you get a margin call if the stock price falls to 20? O Yes NA QUESTION 4 You buy 100 shares of IBM at 30 on margin. Initial margin is 50%. Maintenance margin is 40%. At what price you'll get a margin call? 55 45 35 O 25 QUESTION 5 You buy 100 shares of IBM at 30 on margin. Initial margin is 50%. Maintenance margin is 40%. Suppose the stock price falls to 20. If you do get a margin call, how much money you need to add to your margin account? O 100 200 300 O 400