The demand for coconuts in Australia is given by D=1200-200P, where P is the price of a coconut. Supply (S) of coconuts by Australian producers is given by: S=7000+50P.The economy opens up to trade. The world price of coconuts is now 18 units. Find the domestic quantities of coconuts demanded and supplied, and the quantities of imports or exports. Who will favour the opening of the coconut market to trade, and who will oppose it?