Draw and explain the following scenarios on a production possibility curve (PPC). In each case assume that countries are producing two products. Please specify the two products in your answer. Consider whether the below situations would shift the PPC and in what way. 75 marks a. Canada attracts thousands of skilled immigrants. b. Haiti experiences a devastating earthquake, which results in major destruction of property and human life. c. A state-of-the-art robot is to be introduced in Japan