Task Normal B C D E F G H I CP C-F-H-I C-F-H-I C-F-H-I C-F-H-I B-D-G-I C-F-H-I B-D-G-I Duration 10 8 12 10 14 7 9 6 Makespan 37 36 35 34 33 Cost 100 80 120 100 140 70 90 60 Cost 760 780 800 820 850 Duration 9 7 10 7 12 5 6 5 Crash I-5 H-8 H-7 H-6 B-9
Crash Cost 110 100 140 120 190 100 150 80 Slope 10.0 20.0 10.0 6.7 25.0 15.0 20.0 20.0
ID A B C F D E H G J I K
Task (1,2) (2,3) (2,4) (3,5) (4,5) (4,7) (5,7) (7,8) (8,9) (8,10) (9,10)
Duration 5 2 4 6 2 8 1 5 6 3 0
Ti E 0 5 5 7 9 9 13 22 17 22 28
TjL 5 10 9 16 16 17 17 22 28 28 28
Total Slack 0 3 0 3 5 0 3 0 0 3 0
A. The early start task does not depend on the duration of task D B. By more than 5 days (create "tie" between D-H and E in getting from 4 to 7) C. By more than 5 days (task D has 5 units of Total Slack) D. If C precedes F, then F cannot start before time 7 (change of 2) and H cannot start before time 15 (change of 2) E. No tasks will have their latest start times change
time 15 (change of 2)