You have recently spent one of your Saturday afternoons at an options seminar presented by Derivatives Traders. Interested in putting some of your new knowledge to work, you start by thinking about possible returns from an investment in the volatile ordinary shares of PurchasePro.com (PPRO). Four options currently trade on PPRO. Two are call options, one with a strike price of $35 and the other with a strike price of $45. The other two are put options, which also have strike prices of $35 and $45, respectively. To help you decide which options strategies might work, evaluate the following option positions. Questions:

I. You believe the price of PPRO will rise, and are therefore considering either: (a) taking a long position in a $45 call by paying a premium of $3; or (b) taking a short position in a $45 put, for which you will receive a premium of $3. If the share price is $50 on the expiration date, which position makes you better off?

II. You believe the price of PPRO will fall, and are therefore considering either: (a) taking a long position in a $35 put, paying a premium of $2; or (b) taking a short position in a $35 call, receiving a premium of $2. If the share price is $30 on the expiration date, which position makes you better off