Use the information in the table and sequence the six jobs using the critical ratio algorithm
Calculate the average flow times and average lateness. All jobs arrived at time zero and are ready at time zero.
Job Production Time Due Date
A 10 20
B 15 25
C 17 22
D 20 31
E 16 20
F 20 24
Job Date Received Prod Time Due Date Critical Ratio Order Flow time Late
A 0 10 20 2 sixth 98 78
B 0 15 25 1.67 fifth 88 63
C 0 17 22 1.29 third 53 31
D 0 20 31 1.55 fourth 73 42
E 0 16 20 1.25 second 36 16
F 0 20 24 1.2 first 20 0
TOTAL 98 368 230
AVERAGE 61.33 38.33
Average Flow Time = 61.33
Average Past Due = 38.33
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