Assume you sell short 100 shares of common stock at $45 per share, with initial margin at 50%. What would be your rate of return if you repurchase the stock at $40/share? The stock paid no d

Assume you sell short 100 shares of common stock at \$45 per share, with initial margin at 50%. What would be your rate of return if you repurchase the stock at \$40/share? The stock paid no dividends during the period, and you did not remove any money from the account before making the offsetting transaction.