Stuck on last part first two are correct Also please explain how to get answer thoroughly thank you

Currently a company that designs Web sites has five customers in its backlog. The time since the order arrived, processing time, and promised due dates are given in the following table. The customers are ready to be scheduled today, which is the start of day

190.

Customer	Time Since Order Arrived (days ago)	Processing Time (days)	Due Date (days from now)
A	3	24	58
B	2	32	100
C	10	20	26
D	8	12	50
E	6	28	66

a. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average days past due.

Using the FCFS (first come, first served) decision rule for sequencing the customers, the order is:

Sequence	1	2	3	4	5
Customer	C	D	E	A	B

Using the EDD (earliest due date) decision rule for sequencing the customers, the order is (to resolve a tie, use the order in which the jobs were received):

Sequence	1	2	3	4	5
Customer	C	D	A	E	B

The average flow time and average days past due for each option are: (Enter your responses rounded to one decimal place.)

Rule	Average Flow Time	Average Days Past Due
EDD	nothing	nothing
FCFS	nothing	nothing

E