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Note: it supposed to be four multiple-choice questions but instead I asked two of them ( excluding For One Repairman questions ) so that you can explain them more efficiently. Q: Repair and maintenance activities in a factory will be carried out by teams of one or two repairman. If the repair and maintenance activities are carried out by two repairmen it is completed in a short time. The distribution of the time spent by alternative teams for repair and maintenance activities given below tables. Each repairman cost is 205/hour in daily working hour and 30$/hour in overtime working hour. The cost of machine being idle is 5,000$/hour. Evaluate 5-days simulation. (Daily working hours is 8 and average of daily breakdown is 5) (Random Numbers: 42, 21, 39, 23, 78) For One Repairman For Two Repairman Service (minutes) Probability (%) Service (minutes) Proba 40 15 35 20 90 20 75 30 120 40 90 35 180 25 120 15 What is the total cost of working with two repairmen? A. 32,250 B. 50,390 C. 50,320 D. 50,160 E. 32,860 What is the idle time of the machines in case of working with two repairmen? A. 530 B. 428 C. 320 D. 200 E. 390