QUESTION 4 A two-person shoe repair operation uses a two-step sequence that all jobs follow (first work centre A then work centre B). For the group of jobs listed below, a. Find the sequence that will minimize the make-span. b. Determine the amount of idle time for work centre B. e. What jobs are candidates for splitting? Why? If jobs b and e are split in half, how much would the idle time of work centre B be reduced? Work Centre A Work Centre B 27 45 Job Times (minutes) b d 18 26 33 24 C 70 30 e 15 10

A two-person shoe repair opcration uses a two-step sequence that all jobs foltow (first work centre A then work centre B). For the group of jobs listed below, a. Find the sequence that will minimire the make-span. b. Determine the amount of idle lime for work centre B. c. What jobs are candidutes for splitting? Why? If jobs b and e are split in half, low much would the idle time of work centre 18 be reduced