Figure 30-6 -Refer to Figure 30-6. Which of the Following Would Cause

Figure 30-6
-Refer to Figure 30-6. Which of the following would cause the change depicted in the figure above?

A) An increase in investment in infrastructure causes U.S. productivity to rise relative to Mexican productivity.
B) A growing preference for Margaritas causes U.S. consumers to increase their preferences for Mexican tequila relative to American-produced alcohol.
C) Dumping accusations result in the United States placing tariffs on produce imported from Mexico.
D) A contractionary monetary policy causes a decrease in the price level of U.S. goods relative to Mexican goods.