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a) For the 9 department problem (layout given above), determine the number of units of the material handling system needed for the following data. Job Type Order Sizes Job Weight 50 # of Order/ day 80 100 50 200 250 1 2 3 4 5 Process Sequence 1-4-2-8-9 2-4-3-5-8 7-8-6-3-2 8-6-4-3-5 9-1-4-2-6 100 200 100 400 80 lbs 50 30 20 70 Vehicle carrying capacity - 400 lb Tote weight - 10 lb Vehicle traveling speed - 150 ft/min Loading and unloading time - 30 seconds Battery charging during planning horizon - 30 minutes Assume rectilinear measures (Centroid-to-Centroid) for calculating material handling distances. Both Pickup and drop off points are located at the center of the departments. Assume Total loaded travel time = total unloaded travel time. b) Redesign the layout to minimize material handling a) For the 9 department problem (layout given above), determine the number of units of the material handling system needed for the following data. Job Type Order Sizes Job Weight 50 # of Order/ day 80 100 50 200 250 1 2 3 4 5 Process Sequence 1-4-2-8-9 2-4-3-5-8 7-8-6-3-2 8-6-4-3-5 9-1-4-2-6 100 200 100 400 80 lbs 50 30 20 70 Vehicle carrying capacity - 400 lb Tote weight - 10 lb Vehicle traveling speed - 150 ft/min Loading and unloading time - 30 seconds Battery charging during planning horizon - 30 minutes Assume rectilinear measures (Centroid-to-Centroid) for calculating material handling distances. Both Pickup and drop off points are located at the center of the departments. Assume Total loaded travel time = total unloaded travel time. b) Redesign the layout to minimize material handling