Old Economy Traders opened an account to short sell 1,000 shares of internec Dreams at $90 per share. The inilial margin tequirement was 50%. (The margin account pays no interest) A year later, the price of Internet Dreams has risen from 590 10 59800 , and the stock has paid a dividend of $1400 per share. Required: a. What is the remaining margin in the account? b-1. What is the margin on the shont 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? (Negotive volue hiould be indicated by a minus sign. Round your onswer to 2 decimal places.)