Old Economy Traders opened an account to short-sell 1,000 shares of Internet Dreams at $100 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 $100 to $104.80. and the stock has paid a dividend of $16.00 per share: 0 . What is the remaining margin in the account? b-1. What is the margin on the shoit position? (Round your answer to 2 decimal places.) b.2. If the maintenance margin requirement is 30\%, will Oid Economy recelve a margin call? Yes No c. What is the rate of return on the investment? (Negotive volue should be indicated by o minus sign. Round your answer to 2 decimol ploces.)