The question is in context with Trade agreements and non-tariff measures:

A small exporting country has an autarky price of 2 for the product P and can export P at the global price of 3. In order to support producers, the government of the small exporting country applies a deficiency payment system ensuring the minimum price of 4 to producers of P. Illustrate the graphs for the exporting country and the international market. Illustrate the changes of domestic price and quantities, trade price and quantities, as well as welfare due to the policy implementation (Only label everything).