A) Five jobs are ready for processing at time zero through a workstation. The details regarding the processing time and the due date of completion is provided in the following table. What is the optimal sequence?

Job	Processing Time (Days)	Due Date
A	8	12
B	4	9
C	3	6
D	7	7
E	5	20

a) C - B - E - D - A

b) A - B - C - D - E

c) C - D - B - A - E

d) E - A - B - D - C

B) Five jobs are ready for processing at time zero through a workstation. The details regarding the processing time and the due date of completion is provided in the following table. What is the average flow time?

Job	Processing Time (Days)	Due Date
A	10	12
B	4	9
C	3	6
D	7	7
E	5	20