Suppose Grayson decides to make tomato soup. Which result would be a cost?
Grayson will save some time. The egg drop soup would have taken longer to make than the tomato soup. Grayson will give up the chance to eat the egg drop soup, which would have been tastier than the tomato soup.
Grayson is deciding whether to make egg drop soup or tomato soup for dinner. He wants dinner to be as tasty as possible. But he is also hungry and wants to eat soon.
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 Grayson wants or needs:
Grayson will give up the chance to eat the egg drop soup, which would have been tastier than the tomato soup.