Assignment:
The home office billing department of a chain of department stores prepares monthly inventory reports for use by the stores' purchasing agents. Given the following information, use the critical path method to answer the questions below.
| JOB AND DESCRIPTION |
IMMEDIATE
PREDECESSORS |
TIME
(HOURS) |
| a |
Start |
- |
0 |
| b |
Get computer printouts of customer purchases |
a |
10 |
| c |
Get stock records for the month |
a |
20 |
| d |
Reconcile purchase printouts and stock records |
b, c |
30 |
| e |
Total stock records by department |
b, c |
20 |
| f |
Determine reorder quantities for coming period |
e |
40 |
| g |
Prepare stock reports for purchasing agents |
d, f |
20 |
| h |
Finish |
g |
0 |
|
a. How long will the total process take? (Number of hours)
b. Which jobs can be delayed without delaying the early start of any subsequent activity?