This result is a cost. It involves giving up or spending something that Tara wants or needs:
Tara will spend more time walking to the vultures. They are on the other side of the zoo, but the alligators are close by.
Suppose Tara decides to see the vultures. Which result would be a cost?
A: Tara will enjoy seeing the vultures more than she would have enjoyed seeing the alligators.
B: Tara will spend more time walking to the vultures. They are on the other side of the zoo, but the alligators are close by.