The Average Tardiness for the Job Listed in the Table

Multiple Choice

The average tardiness for the job listed in the table below under the longest processing time (LPT) rule is ______. $$\begin{array} { | c | c | c | } \hline \text { Job } & \begin{array} { c } \text { Processing time } \\\text { \{in days\} }\end{array} & \begin{array} { c } \text { Due date \{in days from } \\\text { today's date\} }\end{array} \\\hline \text { A } & 4 & 9 \\\hline \text { B } & 10 & 18 \\\hline \text { C } & 6 & 6 \\\hline \text { D } & 12 & 19 \\\hline \text { E } & 7 & 17 \\\hline\end{array}$$

A) 16 days
B) 14 days
C) 15 days
D) 13 days