ve jobs are ready for processing at time zero through a workstation. The details regarding the processing time and the due date of completion is provided in the following table.

$\backslash$table$[[$ob$,$Processing Fime $($days$),$Due Date $($days$)],[1,5,19],[2,6,25],[3,10,22],[4,2,18],[5,4,16]]$

Using the earliest due date $($EDD$)$ rule, the average tardiness of the five jobs is:

$$ a$.$ more than $0\mathrm{.}1$ but less than or equal to $0\mathrm{.}3$ day.

b$.$ more than $0\mathrm{.}7$ but less than or equal to $0\mathrm{.}9$ day.

c$.$ more than $0\mathrm{.}3$ but less than or equal to $0\mathrm{.}5$ day.

d$.$ more than $0\mathrm{.}5$ but less than or equal to $0\mathrm{.}7$ day.