Suppose Shane decides to go on the super starship. Which result would be a cost?
Shane will spend more ride tickets on the super starship than he would have spent on the Ferris wheel. Shane will have more fun on the super starship than he would have had on the Ferris wheel.
Shane is deciding which ride to go on at the fair. He can go on either the super starship or the Ferris wheel. 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 Shane wants or needs:
Shane will spend more ride tickets on the super starship than he would have spent on the Ferris wheel.