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Operations Scheduling

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(Supplement J) Using the information below (see attached file for charts):

a. Calculate S/RO and CR for each Job

b. Sequence the five jobs using FCFS, SPT, EDD, S/RO, and CR

c. Calculate the average flow times and average WIP inventory for each method.

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Solution Summary

Word file contains :
a. Calculations of S/RO and CR for each Job
b. Sequence the five jobs using FCFS, SPT, EDD, S/RO, and CR
c. Calculations of the average flow times and average WIP inventory for each method.

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Please see the attached file.

(Supplement J) Using the information below :

Job Operation Time (hours) Time to Due Date (weeks) Number of Operations Remaining Shop Time Remaining (weeks) S/RO CR
A 5 30 2 10 {(30-0)-10}/2
= 10 (30-0)/10
= 3
B 2 10 1 5 {(10-0)-5}/1
= 5 (10-0)/5
= 2
C 9 12 3 5 {(12-0)-5}/3
= 2.333 (12-0)/5
= 2.4
D 16 25 2 20 {(25-0)-20}/2
= 2.5 (25-0)/20
= 1.25
E 12 45 4 22 {(45-0)-22}/4
= 5.75 (45-0)/22
= ...

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