i want solutions of this qiestion.

Refer to the information in the following table and answer the questions 15 to 18. 8 marks Quantity demanded Price Quantity supplied domestically domestically 15000 $ 20 20000 17500 17 17500 20000 14 15000 22500 11 12500 25000 8 10000 15 If the market were closed to the international trade, the revenue earned by the domestic producers will be:..... 16 If the market was open to international trade and the world price was $11, total revenue of the international trade will be:..... 17 Assume world price $14 includes a tariffof $3 per product. Net revenue of the foreign suppliers after tariff will be:..... 18 At the world price $11 which includes tariff of $3 per product, quota of 10000 imported items will enable the government to get $30000 as tariff revenue if tariff duty is abolished. Do you agree? Why