$1.$ Given the table below, find the sequence for the following priority rules:

$($a$)$ SPT

$($b$)$ EDD

$($c$)$ LPT

Job

A

B

C

D

Process Time

$6$

$14$

$18$

$9$

Due Date

$30$

$27$

$25$

$16$

Answer:

$($a$)$

$($b$)$

$($c$)$