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 nonsmoking passengers in the smoker's carpool.
D) Price of a pack of cigarettes.
E) The loss in utility received because the smoker must stand outside her office building in the winter to smoke.