Sequencing jibs through two work centers. Use Johnson’s rule to obtain the optimum sequence for processing the jobs shown through work centers A and B.
JOB TIMES(hours) | ||
Job | Work Center A | Work Center B |
a | 2.5 | 4.2 |
b | 3.8 | 1.5 |
c | 2.2 | 3·00 |
d | 5.8 | 4·00 |
e | 4.5 | 2·00 |