Old economy traders opened an account to short-sell 1,000 shares of internet dreams at $130 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 $130 to $144.00, and the stock has paid a dividend of $22.00 per share. a. what is the remaining margin in the account? b-1. what is the margin on the short position? (round your answer to 2 decimal places.) b-2. if the maintenance margin requirement is 30%, will old economy receive a margin call? yes no c. what is the rate of return on the investment? (negative value should be indicated by a minus sign. round your answer to 2 decimal places.)