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Problem 16-17

Given the following information on job times and due dates.

Job	Job Time (Hours)	Due Date (Hours)
a	3.5	7
b	2.0	6
c	4.5	18
d	5.0	22
e	2.5	4
f	6.0	20

a-1.

Determine the optimal processing sequence using (1) First come, first served, (2) Shortest processing time, (3) Earliest due date, and (4) Critical ratio.


Sequence for First come, first served
Sequence for Shortest processing time
Sequence for Earliest due date
Sequence for Critical ratio

a-2.

For each method, find the average job flow time and the average job tardiness. (Round your answers to 2 decimal places.)

	First Come, First Served	Shortest Processing Time	Earliest Due Date	Critical Ratio
Average flow time	[removed]	[removed]	[removed]	[removed]
Average job tardiness	[removed]	[removed]	[removed]	[removed]