A manufacturing concern has five departments (labeled A through E) located in a rectangular building as shown below:

a. Using the CRAFT two-way exchange procedure, indicate all the department pairs CRAFT would consider exchanging in the above layout.

b. Compute the estimated cost of exchanging departments A and E.

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B E C D Suppose the flow data, the unit cost data, and the distance matrix are given as follows: Flow-Between Matrix A B C D E 050 A BC B - DE 6 2 3 500N Unit Cost ($/Unit Dist.) BO ARC B A CDE A 0 1 0 1 B - 1 4 0 C 3 0 7 DE D D E - E Distance Matrix ABCDE 6 20 18 12 829 11 22 15 10 8