Old Economy Traders opened an account to short-seil 1,000 shares of Internet Dreams at $40 per share. The initial margin requirement was 50% (The margin account pays no interest) A year later, the price of Internet Dreams has risen from $40 to $50, and the stock has paid a dividend of $2 per share. 9. What is the remaining margin in the account? Remaining margin b-1. What is the margin on the short position? Short margin 56 b-2. If the maintenance margin requirement is 30%. Will Old Economy receive a margin cal? . Yes O NO c. What is the rate of return on the investment (Negative value should be indicated by a minun sign.) * Net