Show your work when you answer the following questions. Suppose that the world price for a good is P w = 80 and the domestic demand & supply curves are given by the following equations: 

P = 200 – 0.05QD 

P = 20 + 0.05QS 

1. If there is no protection, 

a. How much is consumed (quantity demanded), how much is produced at home, and what is the quantity imported/exported? 

b. Calculate the consumer surplus and the producer surplus.