Problem 4 A company shop floor has 4 different machines (namely machine 1,2,3, and 4 respectively). Currently the shop is processing three different jobs with different routing. The routing and processing time data are given as Table 1 below. Table 1. Routing and Processing Time Data Job Routing and Processing Time () J2 13 a. Determine the bottleneck station/machine and calculate the lower bound of makespan (5) b. Generate the shifting bottleneck schedule for the
