Which of the Following, If True, Would Most Effectively Undermine

Multiple Choice

Which of the following, if true, would most effectively undermine the argument that raising cigarette taxes reduces the number of people who smoke cigarettes?

A) The demand for cigarettes is relatively inelastic.
B) The demand for cigarettes is relatively elastic.
C) The supply for cigarettes is relatively inelastic.
D) The supply for cigarettes is relatively elastic.