The common stock of the Avalon Corporation has been trading in a narrow range of around $40 per share for months, and you believe it is going to move in the wild range for the next three months. The price of a three-month put option with an exercise price of $40 is $3, and a call with the same expiration date and exercise price sells for $5. How much is the profit of a long straddle strategy if the stock price increases to $55