In a job shop operation, four jobs may be performed on any offour machines. The hours required for each job on each machine arepresented in the following table. The plant supervisor would liketo assign jobs so that total time is minimized. Find the bestsolution. Which assignments should be made?
| Machine |
Job | W | X | Y | Z |
A12 | 10 | 14 | 16 | 13 |
A15 | 12 | 13 | 15 | 12 |
B2 | 9 | 12 | 12 | 11 |
B9 | 14 | 16 | 18 | 16 |
