These are some of the factors that can change the demand and supply curves in the market.

1) Illustrate using a graph and describe the impact on equilibrium price and quantity of electric cars if cost of gasoline increases at the same time as government provides subsidies to electric car maker.

2) Illustrate using a graph and describe how the equilibrium of price and quantity of mangoes during the 2018 Australia food safety scarce

3) Illustrate using a graph and describe how the equilibrium price and quantity of vegetables when government gives incentives to young farmers to enter the vegetables industry to promote healthy nutrition to the public.

Important graph must be shown!