The paper currency that is currently being used in the U.S. is an example of ________ money

The cost of producing cigarettes in the United States has increased and at the same time, more and more Americans are choosing to not smoke cigarettes. Which of the following best explains the effect of these events in the cigarette market?

A) Both the supply and demand curves have shifted to the left. As a result, there has been a decrease in the equilibrium quantity and an uncertain effect on the equilibrium price. B) Both the supply and demand curves have shifted to the right. As a result, there has been an increase in the equilibrium quantity and an uncertain effect on the equilibrium price. C) The supply curve has shifted to the right and the demand curve has shifted to the left. As a result there has been an increase in the equilibrium quantity and an uncertain effect on the equilibrium price. D) The supply curve has shifted to the right and the demand curve has shifted to the left. As a result, there has been an increase in the equilibrium price and an uncertain effect on the equilibrium quantity.

The price of pork may increase as a result of:

A. A decrease in the cost of feed for pigs B. Decreased advertising of pork C. An increase in the cost of producing beef D. A subsidy to pork producers