.For each of the following scenarios, graph the original and new equilibrium. Also, indicate whether the effect on the equilibrium price would be to increase it or decrease it.Likewise, indicate whether the equilibrium quantity would increase or decrease. Be sure to answer any additional questions that are included.

a.The U.S. government finally stops making pennies (made mostly of copper) because consumers don't want them and throw them in the trash.What would happen in the copper market? (5 points)

b.The pilot's union at all major air carriers has demanded and been granted a 20 percent pay increase. What will happen in the air travel market? How would your result differ if the demand for air travel was more elastic at the original equilibrium price? (5 points)

c.Vietnam enters the market for coffee with large amounts of coffee produced at very low marginal cost.What happens in the market for sugar? (5 points)

d.What would happen in the coffee market if a severe winter were to kill all of the coffee plants in Brazil? Would coffee producers from Nigeria be better off? Why? (5 points