Using Well-Labeled Supply and Demand Curves, Show How the Following

Essay

Using well-labeled supply and demand curves, show how the following events will affect the market for the metal lead.
a. A large deposit of lead is found in Australia.
b. Millions of people who were recently lifted out of poverty buy new cars that use lead acid batteries.
c. The Environmental Protection Agency bans the use of lead ammunition because of environmental concerns.
d. A new production technology reduces the cost of removing lead from ore.