Assignment task: Given the following set of jobs, their processing times, and due dates on a single machine, determine the optimal job sequence to minimize lateness using the Earliest Due Date (EDD) rule.
Job Processing Time (hours) Due Date (hours)
A 6 15
B 3 10
C 8 20
D 2 7
What is the optimal sequence of jobs based on the EDD rule, and what is the total lateness for this sequence?