Barrels per Hour 200 100 0 6 12 18 24 Hours The flow of oil, in barrels per hour, through a pipeline on July 9 is given by the graph shown above. Of the following, which best approximates the total number of barrels of oil that passed through the pipeline that day? (A) 500 OA OB Oc (B) 600 (C) 2.400 (D) 3.000 (E) 4.800