Five 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.

Job	Processing Time (days)	Due Date (days)
A	6	10
B	5	17
C	2	13
D	3	9
E	4	15

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

a. more than 0.1 but less than or equal to 0.3 day.

b. more than 0.3 but less than or equal to 0.5 day.

c. more than 0.5 but less than or equal to 0.7 day.

d. more than 0.7 but less than or equal to 0.9 day.