All of the Following Are Examples of an Externality EXCEPT

Multiple Choice

All of the following are examples of an externality EXCEPT:

A) bees kept to make honey pollinate plants belonging to a nearby farmer.
B) smoke from a factory imposes cleanup costs on nearby residents.
C) a group purchases a farm on which to grow its own food.
D) a company dumps toxic waste into a river,forcing people downstream to drink polluted water.
E) a school club cleans up a public beach,creating a litter-free and safer swim area for all beachgoers.