Jack the owner and manager of jacks Box Company, wants to monitor usage at work

Question

Jack the owner and manager of jacks Box Company, wants to monitor usage at work
center 3, which is a bottleneck in the system. He has collected on the planed and actual
input and output.

(a)   Complete the input/output record.

(b) Describe your concerns biased on the results of the input/output analysis.

2. Since jack believes that work center 3 is the bottleneck, he has asked you to do the
following.

1.) Calculate the percentage of planned output needed to complete the planned inputs (planned input + backlog/planned output) at Work Center 3.
2.) Calculate the percentage of planned input that actually happened (actual input + backlog/planned input + backlog).
3.) Calculate the percentage of available output that was actually accomplished (actual output/planned output) at Work center 3.
4.) Given your results, do you believe Jack is correct in assuming that Work Center 3 is his bottleneck? Justify your answer.

Explanation / Answer

a)   Complete the input/output record.

Planned input
Actual input
Deviation
Cumulative deviation

5, 6 ,7, 8

40
45
5
5

50
45
-5
0

50
45
-5
-5

60
55
-5
-10

60
60
0
-10

Output information in hours

4

5

6

7

8

Planned output
Actual output
Deviation
Cumulative deviation

70
60
-10
-10

70
60
-10
-20

70
60
-10
-30

70
60
-10
-40

70
60
-10
-50

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