PLEASE SHOW ALL CALCULATION FORMULAS FOR A COMPLETE UNDERSTANDING

18. The Hickory Company manufactures wooden desks. Management schedules overtime every weekend to reduce the backlog on the most popular models. The automatic routing machine is used to cut certain types of edges on the desktops. The following orders need to be scheduled for the routing machine: Order Estimated Machine Time Time Since Order Arrived (hours ago) Due Date (hours from now) (hours) 1 6 10 12 2 5 3 00 3 3 15 18 4 1 9 20 5 0 7 21 The due dates reflect the need for the order to be at its next operation. a. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average past due hours. b. Comment on the performance of the two rules relative to these measures. 1. Chapter 10, Problems #18- in addition to developing scheduling rules based on FCFS and EDD develop scheduling rules for shortest processing time (SPT) and Slack using the definition of Slack at the start of this assignments document. In addition to evaluating the average flow time and average lateness, also evaluate the average early time