Please help me with the following

QUESTION 12 For customer 10, the time between arrivals and the time of arrival are, respectively, 20 and 90 20 and 120 15 and 90 15 and 120 None of the above QUESTION 13 For customer 10, the service type and time needed are, respectively, O and 20 O and 25 Tand 20 Tand None of the above QUESTION 14 For customer 10, the service Start Time and Finish Time are, respectively, 100 and 125 100 and 145 120 and 140 120 and 145 None of the above QUESTION 12 For customer 10, the time between arrivals and the time of arrival are, respectively, 20 and 90 20 and 120 15 and 90 15 and 120 None of the above QUESTION 13 For customer 10, the service type and time needed are, respectively, O and 20 O and 25 Tand 20 Tand None of the above QUESTION 14 For customer 10, the service Start Time and Finish Time are, respectively, 100 and 125 100 and 145 120 and 140 120 and 145 None of the above