The following jobs are waiting to be processed at Julie$$ Morel's machine$$ centre:

$$

Job

Date Order

Received

Production Days

Needed

Date Order

Due

A

$118$

$18$

$180$

B

$116$

$28$

$190$

C

$125$

$8$

$185$

D

$120$

$20$

$220$

E

$123$

$22$

$215$

The first day the task arrives is the first day that the job is being done.

In what sequence would the jobs be ranked according to the following$$ rules: $($a$)$ FCFS$,($b$)$ EDD, $($c$)$ SPT$,$ and$($d$)$ LPT$?$ All dates are according to shop calendar days. Today on the planning calendar is day $130,$ and none of the jobs have been started or scheduled. Which rule is$$ best?

Part $2$

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

Sequence

Job

$1$

B

Part $3$

$2$

A

Part $4$

$3$

D

Part $5$

$4$

E

Part $6$

$5$

C

Part $7$

The total flow time for the sequence developed using the FCFS rule is enter your response here days $($round your response to two decimal$$ places$).$