19. Which of the following is included in the supply of dollars in the market for foreign- currency exchange in the open-economy macroeconomic model? (2 marks) a. An oil company in Nigeria wants to buy oil rigging equipment from a Canadian manufacturer. b. A Canadian bank loans dollars to Makena, a Canadian resident, who wants to purchase a new car made in Canada. 9 c. A Canadian-based mutual fund wants to purchase shares issued by a Polish company. d. A Canadian resident imports a car made in Sweden