(b) Oman Steel Company is currently having five jobs to be completed in details of which is given in Table Q4(b) . Using the following priority rules determine the order in which the jobs given in Table Q4(b) should be processed using the following rules; (i) Critical ratio (i) Least amount of Slack per operation (ii) Johnson's rule Table Q4(b) Jobs (in the order they arrived) Days until due date Remaining processing time (days) Cutting 1 Drilling 2 R S 6. 3 2 4 4 7. 3 9. 3

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(b) Oman Steel Company is currently having five jobs to be completed in details of which is given in
Table Q4(b) . Using the following priority rules determine the order in which the jobs given in Table
Q4(b) should be processed using the following rules;
(i) Critical ratio
(i) Least amount of Slack per operation
(ii) Johnson's rule
Table Q4(b)
Jobs (in the
order they
arrived)
Days until
due date
Remaining processing
time (days)
Cutting
1
Drilling
2
R
S
6.
3
2
4
4
7.
3
9.
3
Transcribed Image Text:(b) Oman Steel Company is currently having five jobs to be completed in details of which is given in Table Q4(b) . Using the following priority rules determine the order in which the jobs given in Table Q4(b) should be processed using the following rules; (i) Critical ratio (i) Least amount of Slack per operation (ii) Johnson's rule Table Q4(b) Jobs (in the order they arrived) Days until due date Remaining processing time (days) Cutting 1 Drilling 2 R S 6. 3 2 4 4 7. 3 9. 3
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