1. You own a DVD of the film 'A Beautiful Mind', which focuses on the life of John Nash (the inventor of Game Theory). Assuming that you watch the DVD, the opportunity cost of watching the DVD the second time is:

Select one correct answer

1. Zero, as you already own the DVD.
2. One-half of the cost of the DVD, since this is the second time you have watched it.
3. The value of the next best alternative use of the time you spend watching the DVD on this occasion.
4. The amount of money you could get from selling the DVD after watching it the first time.