Consider four departments labeled A B C and D. departments Band D are represented by a 1*1 square departments A and Care represented by a 12 rectangular. The following data are given. Answer the following questions using CRAFT with two-way exchanges only. 1. List all the department pairs that CRAFT would consider exchanging 2. Compute the actual cost of exchanging departments and B. What is your comments. Nononymous question 15 Points) C D Initial Layout AB D Flow-Between Matrix B D A 7 0 B 3 0 C NO wowo Unit Cost Matrix A A B 2 c 0 1 D 3 0 2 1 0 0 D