Homework Answers
Answer- B 12
Waiting Time for a job = Time required to complete the previous jobs
Since Job A is the first job in the sequence, there shall be no waiting time. So, Waiting time = 0
For Job B, waiting time shall be the time required to complete Job A. So, Waiting time = 3 days.
For Job C, waiting time shall be the time required to complete Job A and Job B. So, Waiting time = 3 + 4 = 7 days
For Job D, waiting time shall be the time required to complete Job A, Job B and Job C. So, Waiting time = 3 + 4 + 5 = 12 days
| Job | Process time | Waiting Time | Due Date |
| A | 3 | 0 | 6 |
| B | 4 | 3 | 7 |
| C | 5 | 7 | 9 |
| D | 8 | 12 | 12 |
Therefore, the waiting time for Job D is 12 days.
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