An investor short-sells 100 shares of XYZ at $500 per share. The initial margin is set to 60%. At what stock price of XYZ would the investor receive a margin call if the maintenance margin is 40%? O none of the other options 411.09 O 654.98 O 571.43 An investor short-sells 100 shares of XYZ at $500 per share. The initial margin is set to 50%. What is the percentage return on your position if the stock is trading at $400? -40% 40% O 20% -20%