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

Scheduled Order	Job
1	E

2

D

3

C

4

A

5

B

6

F

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

3434

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)
Upper AA	1010		55
Upper BB	77		44
Upper CC	55		77
Upper DD	33		88
Upper EE	22		66
Upper FF	44		33

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