Question 2: Four equal sized machines are served by an automated guided vehicle on a linear bidirectional track. Each machine block is 10 by 10. The pickup/delivery stations are located at the midpoints. The product routing info and production rates are given in the table below. Due to some managerial decision, machine D cannot be moved from its current location. It has to be located at the right end. Considering this constraint use the pairwaise exchange method to determine the best layout arrangement Use Excel or solve manually. If you use Excel, submit it to the dropbox