is slightly above the price. So you agree to the plan, get on the internet, and purchase a non- refundable ticket online for $21. When you arrive at the theater, you realize you forgot your credit card, which you need to enter into a machine at the theater to retrieve your ticket. So you are unable to collect the ticket you purchased and it's too late to go back to your house to retrieve the credit card - the movie starts in 10 minutes. IMAX Should you spend another $21 to buy another ticket? Why, or why not