For the following highway network system, determine the maximal flow in vehicles per hour. Vehicle flow capacity: 5000 vehicles per hour What is the current flow capacity (in vehicles per hour) of the highway? vehicles per hour The highway commission is considering adding segment 3-4 to permit a flow of 2,000 vehicles per hour or, at an additional cost, a flow of 3,000 vehicles per hour. What is your recommendation for the proposed segment 3-4 of the highway network? O Add segment 3-4 with capacity 2,000 vehicles per hour. O Add segment 3-4 with capacity 3,000 vehicles per hour. (O Do not add segment 3-4