Three put options on a stock have the same expiration date and strike prices of $55, $60, and $65. The market prices of the options are $3, $5, and $8, respectively. An investor creates a strategy by buying a $55 put, buying a $65 put, and selling two of the $60 puts. What is the P&L if the stock price at the expiration date is $64.5? (Loss written in negative number)