The Table Below Shows Hypothetical Canadian Domestic Demand and Supply

The table below shows hypothetical Canadian domestic demand and supply schedules for granite.Assume there are no restrictions on trade.
TABLE 32-6
-Refer to Table 32-6.Suppose the world price of granite is $900.What quantity will Canada import or export?

A) Canada will export 100 tonnes
B) Canada will export 140 tonnes
C) Canada will neither import nor export
D) Canada will import 40 tonnes
E) Canada will import 100 tonnes