assume you sell short 100 shares of common stock at 50 per share, with initial margin at 50%, at what price you will receive a margin call from your broker ( assuming maintenance margin of 30%)

answers- 42.26, 57.69, 62.00, 24.44

What is your rate of return in previous problem if you purchase the stock at $40 per share?

answers- 40%, 60%, 25%, 18%