Suppose you believe that Du Pont's stock price is going to decline from its current level of $ 82.39 sometime during the next 5 months. For $ 618.31 you could buy a 5-month put option giving you the right to sell 100 shares at a price of $ 77 per share. If you bought a 100-share contract for $ 618.31 and Du Pont's stock price actually changed to $ 84.15 at the end of five months, your net profit (or loss) after behaving rationally on the decision to exercise the option would be ______? Show your answer to the nearest .01.