Using the Gantt charts developed in the following problems, which is the bottleneck work center? a. Problem 2. problem 2 Six jobs must be processed through machine A and then machine B as shown below. The processing time for each job is also shown. a. Develop a Gantt chart to determine the total time required to process all six jobs. Use the following sequence of jobs: 1, 2, 3, 4, 5, 6. b. Can you develop a better sequence to reduce the total time required for processing? b. Problem 3. problem 3 Sequence the jobs shown below by using a Gantt chart. Assume that the move time between machines is one hour. Sequence the jobs in priority order 1, 2, 3, 4. a. What is the make span? b. How much machine idle time is there? c. When is each job delivered compared with its due date? d. How much idle time (waiting time) is there for each job? e. Devise a better job sequence for processing. c. Problem 6 The Security Life Insurance Company processes all new life insurance policies through three departments: incoming mail (I), underwriting (U), and policy control (P). The incoming mail department receives applications and customer payments and then routes the files to the underwriting department. After checking on the applicants’ qualifications for life insurance, the underwriting department forwards the file to policy control for the issue of the policy. At the present time, the company has five new policy applications waiting to be processed. The time required for processing in each department is shown below. a. Prepare a Gantt chart schedule for these policies
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