Old Economy Traders opened an account to short-sell 1,800 shares of Internet Dreams at $56 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 $56 to $60, and the stock has pald a dividend of $3.00 per share. a. What is the remaining margin in the account? (Round your answer to the nearest whole dollar) Romaining margin b. If the maintenance margin requirement is 30%, will Old Economy receive a margin call? No Yes c. What is the rate of return on the investment? (Round your answer to 2 decimal places, Negative value should be indicated by a minus sign.) Rule of