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

Scheduled Order	Job
1	A D E C B F

2	A E B C F D

3	E A B C F D

4	B E F D A C

5	A F B E D C

6	C E D A F B

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

enter your response here

hours (enter your response as a whole number).

.....

Six jobs are to be processed through a two-step operation. The first operation involves sanding, and the second involves painting. Processing times are as follows:

Job	Operation 1 (hours)		Operation 2 (hours)
A	12		4
B	8		11
C	5		14
D	6		2
E	9		10
F	3		1