(a) (5 marks) Explain how the outright prohibition of marijuana might amount to an increase in profits to criminals who remain in the market in order to supply drugs.

(b) (5 marks) Explain the difference between hard core addicts and occasional users of marijuana in your answer to part (a)?

(c) (5 marks) Explain why an illegal market for the supply of marijuana can still exist in the same location as a legal market when marijuana is both decriminalized and made legal?