Al Tomooh printing press received orders for printing four different books to be completed within 40 days. The processes followed are DTP setting, Printing and Binding sequentially and the details of the processing time in hours of each process are as given below. Jobs A B C D Processes DTP Setting 3 7 4 5 Printing 6 3 7 9 Binding 2 4 3 4 Calculate the sequence of the orders that minimizes the total time elapsed to complete the orders. Also calculate the minimum time for completion of the orders and the idle time for each stages using a Gantt Chart.