In the Case of Addicts, Prohibition Will

In the case of addicts, prohibition will:

A) tend to increase the revenues of drug dealers due to increased expenditures on drugs.
B) tend to decrease the revenues of drug dealers due to decreased expenditures on drugs.
C) initially decrease the revenues of drug dealers, but in the long run these revenues will increase as users adapt to the higher drug prices.
D) cause a relatively large decrease in the output that drug dealers are able to sell.