A print shop has five large commercial printing jobs to finish. They are trying to decide whether to use the shortest processing time (SPT) or the first-come first-served (FCFS) sequencing rule. Data on estimated processing time (in hours) and time to promised completion (in hours) is as follows (jobs shown in order of arrival): 
a.What is the average flow time in hours using the FCFS rule?
b.What is the average job lateness in hours using the FCFS rule?
c.What is the average flow time in hours using the SPT rule?
d.What is the average job lateness in hours using the SPT rule?
Definitions:
Peripartum Depression
A type of depression that can affect women during pregnancy or shortly after childbirth.
Postpartum Depression
An episode of depression experienced by some new mothers that begins within four weeks after giving birth.
Genetic Predisposition
The increased likelihood of developing a particular disease based on a person's genetic makeup.
Unipolar Depression
A major depressive disorder marked by a persistent feeling of sadness or lack of interest in external stimuli, without the mood swings seen in bipolar disorder.
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