Figure 4-7 -Refer to Figure 4-7.The Graphs Show the Demand for Cigarettes.In

Multiple Choice

Figure 4-7


-Refer to Figure 4-7.The graphs show the demand for cigarettes.In Panel (a) ,the arrows are consistent with which of the following events?

A) The price of marijuana, a complement to cigarettes, increased.
B) Mandatory health warnings were placed on cigarette packages.
C) Several foreign countries banned U.S. cigarettes in their countries.
D) A tax was placed on cigarettes.