(5 Marks) b) A production line of a garment factory has received an order for 500 items. The order should be completed as soon as possible without any over time working. The line works with 20 machine operators who are well trained and capable of completing an average of 50 items per day if all are present. However these machine operators get absent quite frequently and the number of items produced is proportional to attendance. So that the line manager has noted their attendance for past 12 days as shown in Table 02. Table 02: Attendance of Machine Operators for 12 Days Day Attendance Day Attendance Day Attendance Day Attendance 1 18 7 17 4 13 10 15 2 15 8 19 5 14 11 11 3 16 9 17 6 14 12 18 Find the number of days required to complete the order by using hand simulation technique. What would you suggest to improve your