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