In December, you believe that OPK Company, which is currently trading at $125 per share, will drop to $110 per share or less over the next month or two. You sell 20 OPK January $128 Calls for a premium of $5.00. At the same time you buy 20 OPK January $135 Calls at a premium of $1.25 (sell January calls with a strike of $128 and $5.00 premium and buy 20 January Calls with a strike of $135 and premium of $1.25). Determine your gain or loss if:

1. the stock price decreases to $110 per share at expiration
2. the stock price decreases to $100 per share at expiration
3. the stock price increases to $127 per share at expiration
4. the stock price increases to $150 per share at expiration
5. the stock price increases to $133 per share at expiration
6. the stock price decreases to $131.75 per share at expiration