The Pohl Pool Company has six jobs waiting to be processed through its liner department. Processing can start immediately.
Job Total Remaining Processing Time (Days) Due Date (Days from Now) Total Remaining Number of Operations
A 6 11 2
B 9 13 2
C 4 6 3
D 7 10 3
E 7 12 3
F 3 6 1
a. If the slack per operation scheduling rule is used, in what order would the jobs be started?
b. What is the mean lateness (in days) of the sequence calculated in question a?
c. What is the mean tardiness (in days) of the sequence calculated in question a?
d. What is the average number of job in the system using the sequence in question a?