You write a $50$ call with a premium of S$9$ and buy a $60$ call with a premium of S$3.$ The options are on the same stock and have the same expiration date. What is your net profit$/$loss per contract $($equaling $100$ shares$)$ for your portfolio when the stock sells for $$40$ per share?$$400$ loss$$600$ profit$$1,600$ loss$$2,400$ profit$$1\mathrm{.}000$ loss