question number-5

4. Requests for solutions to billing-related IT problems have been received. Six of those jobs were assigned to Joel Williams, one of the support specialists. Joel has latitude in deciding the order in which these requests will be processed, but his performance is evaluated in terms of turnaround times or flow times . All jobs are equally important. Help Joel find the sequence that will minimize flow time based on the following data. Try the following rules: FCFS, SPT, EDD, and CR. Requests will start being processed after the last one's arrival, that is, 65 minutes. Request A Arrival Time (min) 15 B 20 C 30 40 Processing Time (min) Due Date 100 200 150 300 60 150 120 250 30 400 90 D E 55 F 65 350 5. The next day, Joel was assigned six more jobs (see problem 4). However, for this set of jobs, Joel's supervisor told him to minimize tardiness and the number of tardy jobs. All jobs are equally important. Try the following rules: FCFS, SPT, EDD, CR, and Moore's algorithm. Requests will start being processed after the last one's arrival, that is, 200 minutes. Request U V w Arrival Time (min) Processing Time (min) Due Date 20 60 310 80 120 380 100 90 400 120 45 500 150 150 520 200 100 560 Y Z 397