Info

e

15. Given the following PERT network (times are in weeks):

Determine:

(a) The EOT and LOT for each event.

(b) The slacks on all events and activities.

(c) The critical activities and path.

16. Given the schedule in Table B for a liability work package done as part of an accounting audit in a corporation, find:

(a) The critical path.

(b) The slack time on "process confirmations."

(c) The slack time on "test pension plan."

(d) The slack time on "verify debt restriction compliance."

IbbleB

Duration Preceding

Activity (days) Activities a. Obtain schedule of liabilities 3 none b. Mail confirmation 15 a c. Test pension plan 5 a d. Vouch selected liabilities 60 a e. Test accruals and amortization 6 d f. Process confirmations 40 b g. Reconcile interest expense to debt 10 c.e h. Verify debt restriction compliance 7 f i. Investigate debit balances 6 g j. Review subsequent payments 12 h,i

(c) The slack on all events and activities.

(d) The critical events and activities.

(e) The critical path.

18. Given the following information regarding a project:

TE Preceding

Activity (weeks) Activities a 3 none b 1 none c 3 a d 4 a e 4 b f 5 b g 2 c,e h 3 f

17. In the project network shown in the figure below, the number alongside each activity designates the activity duration (TE) in weeks.

Determine:

(a) The EOT and LOT for each event.

(b) The earliest time that the project can be completed.

(a) Draw the PERT network and the Gantt chart.

(b) What is the critical path?

(c) What will the scheduled (earliest completion) time for the entire project be?

(d) What is the critical path to event 4 (end of activities c and e)? What is the earliest time that this event can be reached?

(e) What is the effect on the project if activity e takes an extra week? Two extra weeks? Three extra weeks?

19. Construct a network for the project below and find its critical path.

TE Preceding

Activity (weeks) Activities a 3 none b 5 a c 3 a d 1 c e 3 b f 4 b,d g 2 c h 3 g.f i 1 e.h

20. Construct a network for the project:

TE Preceding

Activity (weeks) Activities a 3 none b 5 none c 14 a d 5 a e 4 b f 7 b g 8 d.e h 5 g.f

(a) Draw the PERT network and the Gantt chart.

(b) Find the critical path.

(c) Assume activity a took five weeks. Replan the project.

(d) From where would you suggest transferring resources, and to what activities so that the original target date may be maintained?

21. Resolve part (d) of Problem 6 assuming the values of a and b are given at the 95 percent level. Repeat, assuming the values are given at the 90 percent level.

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