Assume that in October you bought a $450 non-refundable airline ticket to Telluride, Colorado, for a 4-night winter ski vacation. You now have an opportunity to buy an airline ticket for a 4-night winter ski vacation in Stowe, Vermont, for $400 that includes a free ski lift ticket. The price of your lift ticket for the Telluride vacation would be $300. The price of a hotel room in Telluride is $ 180 per night. The price of a hotel room in Stowe is $ 150 per night. Which of the following costs is not relevant in a decision of whether to proceed with the planned trip to Telluride or to change to a trip to Stowe?

Question 2 options:

The $300 lift ticket for the Telluride vacation.

The $450 airline ticket to Telluride.

The $400 airline ticket to Stowe.

The $ 180 per night hotel room in Telluride.