Use the assignment method to obtain a plan that will minimize the processing costs in the following table, given circumstances in which certain combinations of worker and task are undesirable. Job 12345 A B WORKER C D E 14 14 12 11 10 442HO 18 15 16 13 16 2111- 095455 85636 20 17 18 19 16 15 14 14 12 15 14 642 17 17 14 13 Click here for the Excel Data File a. The combination 2-D is undesirable. The sequence is b. The combinations 1-A and 2-D are undesirable. The sequence is