What is the profit/loss of the following portfolio at expiration of both options when the market price of Stock X is $51.39? Buy one CALL option with strike price of $50 and premium of $2. Sell two PUT options with strike price of $55 and premium of $1.5. Assume each option is for one share of stock only. (Please enter a loss with a minus sign, e.g. The profit of the portfolio is $ -3.13) (Note: please retain at least 2 decimal in your final answer.)