1. The following are the timings in regard to two jobs J1 and J2, each of which requires to be processed on two machines A and Bin the order 'A following B'. In what sequence should they be performed so that the total processing time involved is the least? Also obtain the time involved.

Use graphical method.

Transcribed Image Text:

Job 55 Time (hours) Machine A 6 Machine B 8 7 3