Your project to obtain charitable donations is now 33 days into a planned 43-day
ID: 432215 • Letter: Y
Question
Your project to obtain charitable donations is now 33 days into a planned 43-day project. The project is divided into 3 activities. The first activity is designed to solicit individual donations. It is scheduled to run the first 28 days of the project and to bring in $26,000. Even though we are 33 days into the project, we still see that we have only 91% of this activity complete. The second activity relates to company donations and is scheduled to run for 33 days starting on day 5 and extending through day 38. We estimate that even though we should have (28/33) 85% of this activity complete, it is actually only 54% complete. This part of the project was scheduled to bring in $151,000 in donations. The final activity is for matching funds. This activity is scheduled to run the last 10 days of the project and has not started. It is scheduled to bring in an additional $52,000. So far $174,000 has actually been brought in on the project.
Calculate the schedule variance, schedule performance index, cost variance and cost (actually value in this case) performance index. (Negative values should be indicated by a minus sign. Do not round intermediate calculations. Round your dollar amounts to the nearest whole number. Round your "performance index" values to 3 decimal places.)
rev: 08_07_2014_QC_522
2.) The following activities are part of a project to be scheduled using CPM:
b. What is the critical path?
c. How many weeks will it take to complete the project?
Number of weeks
d. How much slack does activity B have?
Slack of activity B week(s)
Schedule variance $ Schedule performance index Cost variance $ Cost performance indexExplanation / Answer
PLEASE FIND BELOW ANSWER TO QUESTION #2 :
The precedence diagram of activities as follows :
A
B
C
D
E
F
G
The parallel paths and their corresponding durations as follows :
A-B-E-G = 6 + 7 + 5 + 7 = 25 weeks
A-C-D-E-G = 6 + 2 +4 + 5 + 7 = 24 weeks
A-C-D-F-G = 6 + 2 + 4 + 3 + 7 = 22 weeks
Out of above , A-B-E-G has the longest duration and hence forms the critical path
Duration of project is same as duration of critical path . therefore, project completion time will be 25 weeks .
CRITICAL PATH = A-B-E-G
IT WILL TAKE 25 WEEKS TO COMPLETE THE PROJECT
All activities on critical path will have ZERO slack . Since , activity B lies on the critical path, it will have ZERO slack.
SLACK OF ACTIVITY B = ZERO WEEKS
A
B
C
D
E
F
G
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