Order

#

Packaging

Time $($days$)$

Job due

date

M$12$ Day $13$

M$24$ Day $9$

M$31$ Day $11$

M$45$ Day $14$

The following dispatch list was generated for the packaging work center at the

beginning of day $3$

Notes:

$$ This is the final operation for each of these jobs

$$ All dates represent the beginning of the day

$$ The company works $7$ days a week

$$ The standard queue time in packaging is $3$ days

$$ All four jobs have just arrived in packaging

Determine the order schedule, mean flow time and mean lateness at the packaging work center based on the

following priority rules:

a$.$ Critical Ratio

b$.$ Slack per operations remaining

c$.$ First Come First Serve

d$.$ Shortest Operation Next

e$.$ Earliest due date $($job due date$)$

f$.$ Earliest due date $($operations due date$)$