The following graph shows the domestic supply of and demand for maize in Sudan. The world price (Pw) of maize is $255 per ton and is represented by the horizontal black line. Throughout the question, assume that the amount demanded by any one country does not affect the world price of maize and that there are no transportation or transaction costs associated with international trade in maize. Also, assume that domestic suppliers will satisfy domestic demand as much as possible before any exporting or importing takes place.