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