1. (15 points) Old Economy Traders opened an account to short-sell 1,000 shares of Internet Dreams at $30. The initial margin requirement was 50%. (The margin account pays no interest.) A year later, the price of Internet Dreams has risen from $30 to $45, and the stock has paid a dividend of $2.5 per share. a. What is the remaining margin in the account? b. If the maintenance margin requirement is 30%, will Old Economy receive a margin call? c. What is the rate of return on the short position (treating the initial margin as the amount invested)