(Job 1, M3)

(Job 2, M1)

(Job 3, M1)

The Least Completion Time of Each Job till the End of the 3rd Operations

7 + 8 + 10 = 25

6 + 4 +12 = 22

8 + 8 + 7 = 23

Related Relative Due Dates

0

0

1

Result (Tardiness)

25

22

22

Order of Implementation

$\boxed{3}$

$\boxed{1}$

$\boxed{2}$