Answer: at each price, a smaller quantity of rubber will be supplied by Johnson's Rubber Factory
Step-by-step explanation:
Eexternal costs refers to the cost that's incurred by an economic agent like the individuals or firms based on the economic transaction that they aren't directly involved in. They're the spillovers based on someone else production or consumption activities.
In this case, if the city of Bellowsville wants to internalize the external costs that's associated with the production of rubber with a pollution tax, therefore it should be expected that at each price, a smaller quantity of rubber will be supplied by Johnson's Rubber Factory.