Problem 9 - Page 677 Q11 (9 marks) 11. Given the operation times in the two-work-centre flow shop below: a. Develop a job sequence that minimizes total idle time at Work Centre 2. b. Construct a load Gantt chart for the activities at the two work centres, and determine work centre 2's idle time. LO3 Job Times (minutes) A B C D E F Work Centre 2 Work Centre 1 20 27 16 43 60 35 42 30 51 12 28 24 (minimizing idle time accomplishes the same task as minimizing make-span)