If the following jobs are sequenced according to the FCFS rule Job Processing Time (days) Due Date A 8 12 B 6 15 C 11 17 D 5 10 E 3 8 a) What is the mean tardiness (in days) for all jobs? b) What is the mean completion time in days for all jobs? c) What is the maximum job tardiness (in days) d) What is the total number of jobs that would be late? e) Job C is completed on day f) If the jobs are sequenced according to the SPT rule then the mean completion time (in days) for all jobs is g) If the following jobs are sequenced according to the SPT rule then the maximum job tardiness (in days) is h) If the following jobs are sequenced according to the SLACK rule then the total number of jobs that would be late is