3. You are bullish on MSFT stock and decide to take a long position on margin. The stock is initially trading for $60 per share and initial margin requirements are 60%. If you purchase 500 shares and put up the minimum initial margin: a. at what price would you get a margin call - assume the price change happens immediately and that maintenance margin is 30%. b. If MSFT stock goes to $85, calculate the return on YOUR investment