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Question $1$

Question $2$

Question $3$

Question $4$

Question $5$

Question $6$

Question $7$

Question $8$

Question $9$

Question $10$

Question $11$

Question $12$

Question $13$

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Part $1$

Using$$ Johnson's rule for$2-$machine scheduling, the sequence$$ is:

Part $2$Part $3$Part $4$Part $5$Part $6$

Scheduled Order

Job

$1$

$$

C

D

A

F

E

B

$2$

$$

B

D

F

C

A

E

$3$

$$

E

C

A

F

B

D

$4$

$$

F

C

D

A

E

B

$5$

$$

A

C

D

E

B

F

$6$

$$

D

B

A

F

E

C

Part $7$

For the schedule developed using$$ Johnson's rule, the total length of time taken to complete the six jobs$($including the $2$nd$$ operation$)=$

$$

enter your response here hours $($enter your response as a whole$$ number$).$