Old Economy Traders opened an account to short sell 1,900 shares of Internet Dreams at $58 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 $58 to $60, and the stock has paid a dividend of $3.50 per share.

a. What is the remaining margin in the account?

b. What is the rate of return on the investment?