Suppose Omar decides to take a trip to Minnesota. Which result would be a cost?

 - Omar will enjoy his trip to Minnesota more than he would have enjoyed a trip to New York.
 - Omar will spend more money. Plane tickets for Omar to get to Minnesota are more expensive than tickets to New York.
This result is a cost. It involves giving up or spending something that Omar wants or needs:
Omar will spend more money. Plane tickets for Omar to get to Minnesota are more expensive than tickets to New York.