A job shop has four work centers: A, B, C, and v that are currentiy located in an L-shaped lacniny as in locations 1,2,3, and 4 as shown: The distance in meters between each pair of locations are as follows: The loads moved between each pair of work centers per week are as follows: Material handling cost is $2 per load per meter. 3. What is the total material handting cost per week for the current layout? a. Propose a revised (best) layout by switching the locations of some centers. What would be the total materials handline enst forthis revised lawoun 2