Suppose Amanda decides to go on the pirate ship. Which result would be a cost?
Amanda will give up the chance to go on the Ferris wheel. She would have had more fun on that ride. Amanda will save some ride tickets. She needs fewer tickets to go on the pirate ship than on the Ferris wheel.
Amanda is deciding which ride to go on at the fair. She can go on either the Ferris wheel or the pirate ship. She 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 Amanda wants or needs:
Amanda will give up the chance to go on the Ferris wheel. She would have had more fun on that ride.