The framing department has five jobs waiting to be processed. It is now time zero and all jobs are ready to begin. Each has only one operation remaining. All jobs arrived at the same time, and FCFS begins with job a$,$ then b$,$ etc.

Jobs

Processing Time $($days$)$

Due Date $($days$)$

a

$4$

$8$

b

$6$

$7$

c

$2$

$9$

d

$7$

$6$

e

$8$

$14$

If the Earliest Due Date $($EDD$)$ rule is used, what will be the average days past due $($average lateness$)?$

$7\mathrm{.}8$ days

$13\mathrm{.}2$ days

$16\mathrm{.}6$ days

$19\mathrm{.}8$ days