Chocolate ice cream is Country A' favourite ice cream flavor. Illustrate and explain the equilibrium price and quantity of chocolate ice cream using a demand and supply diagram for the following:

a)A severe drought causes dairy farmers to reduce the number of milk-producing cattle in their herds by half. These dairy farmers supply cream that is used to manufacture chocolate ice cream.

b)A new report by the Country A's Health Association found chocolate has significant health benefits.

c)New technology for mixing and freezing ice cream lowers manufacturers' cost of producing chocolate ice cream.