Dan's Auto Detailing business performs two major activities: exterior cleanup and interior detailing. Based on the size of car and condition, time estimates for six cars on Monday morning are as shown in the accompanying table. 1 2 4 5 80 75 45 Exterior Interior 20 25 60 50 50 a. Sequence the cars so that all exterior cleanup is done first and total completion time is minimized. Car Number 3 55 30 -Select- The sequence is -Select- v -Select- b. Choose the correct Gantt chart with the minimum makespan schedule. (Note: Dash single lines represent idle times and solid lines represent job processing times.) The correct graph is -Select- -Select- -Select-v 6 35 40 -Select-

Dan's Auto Detailing business performs two major activitiess: exterior cleanup and interior detailing. Based on the size of car and condition, time estimates for 36 cars on Monday morning are as shown in the accompanying table. 0. Sequence the cars so that all exterior cleanup is done first and total complation time is minimized. The sequence is b. Choose the correct Gantt chart with the minimum makespan schedule. (Note: Dash single lines represent idle times and solid lines represent job processing times.) The correct graph is The correct graph is [ Select- v]. A. Exterior B. Exterior Job Interior minutes