CANOESminus−Rminus−US makes canoes. It buys the shell of the canoe from another local firm for​ $300 and uses its labor and intermediate goods to make the canoe. It sells the finished canoe to a retail canoe store for​ $800. The retail canoe store then sells the canoe to a consumer for​ $1,200. The value added of CANOESminus−Rminus−US for each canoe equals