what is the answer pls

The table below shows the annual demand and supply of cell phones in Canada (in tens of thousands), where DC is the domestic demand, DW is the rest ofthe world demand, SC is the Canadian supply, and SW is the quantity supplied by manufacturers in the rest of the world. a) Complete the total demand (Dr) and total supply (51-) columns. b) What is the equilibrium world price and equilibrium quantity? Price: $ |:| Quantity: |:| c) If Canada was closed to international trade, what would be the equilibrium price and quantity in Canada? Price: $ |:| Quantity: |:| d) If Canada were open to international trade, how much would Canada import from the rest of the world? Quantity imported: |:| e) If the Canadian government were to impose a quota and limit the amount of imported cell phones to 90 (tens of thousands), what would be the new price and quantity in Canada? Price: $ |:| Quantity: |:|