A copy business operates with a single copier.It is now the beginning of the fourth (4^th) hour.The jobs listed in the following table are waiting to be processed.The due date is the end of that hour.For example, Job 1 is due at the end of hour 42.

Job Job Processing Time Due Date (in Hours) (Hours) from Time 0 20 42 2 18 24 3 25 80 4 32 90 5 30 65