In the diagram, Sd represents the domestic supply of a product, Sw represents the world supply and Dd represents the domestic demand for the product. Once the country has been operating under a free trade system, it then prohibits all imports. What effect will this ban have on the revenue of domestic producers and world producers?
- Adomestic producers gain $120; world producers lose $50
- Bdomestic producers gain $120; world producers lose $90
- Cdomestic producers gain $160; world producers lose $50
- Ddomestic producers gain $160; world producers lose $90