Suppose Michael decides to go on the flying bobsled. Which result would be a cost?
Michael will give up the chance to go on the super starship. He would have had more fun on that ride. Michael will save some ride tickets. He needs fewer tickets to go on the flying bobsled than on the super starship.
Michael is deciding which ride to go on at the fair. He can go on either the super starship or the flying bobsled. He wants to have as much fun as possible at the fair.
Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you want or need.
This result is a cost. It involves giving up or spending something that Michael wants or needs:
Michael will give up the chance to go on the super starship. He would have had more fun on that ride.