Figure: ABC Company Reference: Ref 10-6 (Figure: ABC Company)

Multiple Choice

Figure: ABC Company Reference: Ref 10-6 (Figure: ABC Company) The figure depicts the market for a water cleaner for home aquariums. After use it gets washed down drains and enters into streams where it improves the mineral content of the water and thus leads to better water quality and better fish growth. What is the dollar amount of the external benefit created per can of the cleaner?

A) $12
B) $6
C) $3
D) $15