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

Scheduled Order	Job
1	F E C D B A

Part 2

2	D A C E F B

Part 3

3	E B A C F D

Part 4

4	A D E F C B

Part 5

5	F E B D C A

Part 6

6	B A D C E F

Part 7

For the schedule developed using Johnson's rule, the total length of time taken to complete the six jobs (including the 2nd operation) = _____hours (enter your response as a whole number).

Part 1

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

Using Johnson's rule for 2-machine scheduling, the sequence is: 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: For the schedule developed using Johnson's rule, the total length of time taken to complete the six jobs (including the 2nd operation) = hours (enter your response as a whole number)