Using a clearly labelled diagram explain the change in consumer surplus and producer surplus,

Using a clearly labelled diagram explain the change in consumer surplus and producer surplus, net gain/cost to government and society of a quota, compared to free trade. Is it a good idea to impose trade barriers on the imports of a country with poor labo

Using a clearly labelled diagram explain the change in consumer surplus and producer surplus, net gain/cost to government and society of a quota, compared to free trade. Is it a good idea to impose trade barriers on the imports of a country with poor labour standards? Why or why not?