Hello, I need help on how to construct an EDD and SPT Scheduling Model.

Can you explain on how you got the following values so I know how to solve them on my own

This first picture is the question I need to answer

These below two pictures are examples from my class which is already answered. Thought would show these SPT and EDD Rule as a guide to answer the above question

Thank you.

Perform FCFS, SPT and EDD for the following data and find out the values for objective functions Job Processing Time (Days) Due Date (Days) 18 46 13 33 21 25 52 19 24 48 SPT Rule Due Date Completion Time Job Time Tardiness 12 | 35 12 17 45 29 18 | 54 47 22 | 27 69 42 26 47 95 48 Total 252 90 50.4 2.65 Average completion time Average number of jobs in system Average tardiness Maximum tardiness 48 Number of tardy jobs EDD Rule Due Date Completion Time Time Tardiness 22 27 22 12 35 34 17 45 51 26 47 30 77 95 18 54 41 Total 279 77 55.8 Average completion time Average number of jobs in system 2.94 Average tardiness 15.4 Maximum tardiness 41 Number of tardy jobs 3