4 equal-sized departments are located as shown in the figure below. The measurements of each department is 40 40. From-to chart is given in the table below.

Determine a layout arrangement based on the pairwise exchange method.

B C D A B 150 Machine A B D 3000 150 D 700 200 100 50 400 50 2600 1400 B C D A B 150 Machine A B D 3000 150 D 700 200 100 50 400 50 2600 1400