The network precedence diagram as follows : A B C D E F G H The possible paralle
ID: 373005 • Letter: T
Question
The network precedence diagram as follows :
A
B
C
D
E
F
G
H
The possible parallel paths and their corresponding duration as follows :
A-B-F = 4 + 15 + 10 = 29
A-C-D-E-F = 4 + 6 + 9 +7 + 10 = 36
A-C-D-E-G-H = 4 + 6 + 9 + 7 + 6 + 5 = 37
Since, A-C-D-E-G-H has the longest duration, it forms the critical path . The duration of the critical path is same as project completion time . Therefore, Project completion time will be 37 days
CRITICAL PATH : A-C-D-E-G-H
PROJECT COMPLETION TIME = 37 DAYS
It is to be noted that all activities lying on the critical path have ZERO slack.
Thus activities A, C, D E, G, H have ZERO slack
Slack for activity F
= Duration of critical – Duration of A-C-D-E-F
= 37 – 36
= 1 day
Slack for activity B
= Duration of C-D-E - Duration of B
= 22 - 15
= 7 days
Following table presents activitywise Slack :
Activity
Slack ( Days)
A
0
B
7
C
0
D
0
E
0
F
1
G
0
H
0
A
B
C
D
E
F
G
H
Explanation / Answer
2. When an accounting firm audits a corporation, the first phase of the audit involves ob- taining "knowledge of the business." This phase of the audit requires the activities in the following table: Activity Description Immediate Predecessor Duration(days) Determining terms of engagememt BAppraisal of auditability risk and materiality 15 Identification of types of transactions and possible errors Systems description Verification of systems description Evaluation of internal controls Design of audit approach Implementatiorn B, E 10 a) Draw a project network, and determine the slack for each activity. b) Find the project completion time and critical path.
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