Suppose you believe that Du Pont's stock price is going to decline from its current level of $ 82.18 sometime during the next 5 months. For $ 666.53 you could buy a 5-month put option giving you the right to sell 100 shares at a price of $ 84 per share. If you bought a 100-share contract for $ 666.53 and Du Pont's stock price actually changed to $ 84.45 , your net profit (or loss) after exercising the option would be ______?