Which of the Following Would Be a Private Cost to a Cigarette

Which of the following would be a private cost to a cigarette manufacturer?

A) Price of leaf tobacco.
B) Cost to the government of the hospital expenses of indigent smokers.
C) Increased risk of cancer to the non-smoking passengers in the smoker's carpool.
D) Price of a pack of cigarettes.
E) The loss in utility received because smokers must stand outside their office buildings in the winter to smoke.