economics please give answers in the sequence.

(No definitions or graphs but show all calculations) Question 1: (16 marks) Provide a clear and specific definition, an equation, and an example for each of the following, except as noted: - The natural rate of unemployment (definition only) A tariff - a definition only - If Canada can produce 300 tons of wheat per person and the USA can - A demand gap - just a diagram and a definition . No example produce 200 tons of wheat per person, or Canada could make 30 cars per person and the USA could produce 40 cars per person, (i) which country has an absolute advantage in making cars and (ii] which coun- try has a comparative advantage in producing wheat