When the Times Mirror Company Purchased the Right to Discharge

Multiple Choice

When the Times Mirror Company purchased the right to discharge 150 tons of hydrocarbons annually from other polluters,this was an example of

A) following an incentive-based regulation.
B) following a command-and-control regulation.
C) conducting a transaction between polluters typical of those that have been carried out since the early 20th century.
D) an illegal transaction.