Instructions:

$7-1.$ The following table contains information concerning four jobs that are awaiting processing at a work center:

REQUIRED: Sequence the jobs using $($a$)$ FCFS $($assuming the list is by order of arrival$)$ and $($b$)$ SPT

Then for each of the methods, determine $(1)$ the average job flow time, $(2)$ the average tardiness, and the

average number of jobs at the work center.

$7-2.$ Use the assignment method to determine the best way to assign workers to jobs, given the following cost

information. Then compute the total cost for your assignment plan.