Which of the following statements is (are) correct?

(x) Drug interdiction is designed to reduce the supply of drugs and since demand for drugs is inelastic, total revenue to drug suppliers tends to rise.

(y) A government policy of drug interdiction tends to increase drug-related crime because the total amount of money needed to buy a given amount of needed drugs increases since drug prices increase as the government conducts the drug interdiction.

(z) Drug education, which reduces the demand for drugs, can reduce both drug use and drug-related crime.

Select one:

A.

(x), (y) and (z)

B.

(x) and (y), only

C.

(x) and (z), only

D.

(y) and (z), only

E.

(x) only