Fill in the blanks and calculate early start, early finish, late start, late fin

Question

Fill in the blanks and calculate early start, early finish, late start, late finish, and slack

Activity Duration Predecessors Early Start Early Finish Late Start   Late Finish Slack 1 Select vendor 1 None 2 Hire Finance module consultant 4 1    3 Hire Materials Mgmt consultant 4 1 4 Develop internal team 10 None 5 Select hardware system 3 2,3 6 Implement hardware system 8 5 7 Develop Finance interfaces 8 6 8 Install Finance module 3 6 9 Test Finance module 2 7,8 10 Put Finance module on-line 0 9 11 Develop Materials Mgmt interfaces 15 6 12 Install Materials Mgmt module 6 10,11 13 Test Materials Mgmt module 3 12 14 Put Materials Mgmt module on-line 0 13    15 Develop Finance user training 5 4,7 16 Develop Materials Mgmt user training 7 4,11

Explanation / Answer

D ES EF = ES+D LS =LF-D LF-EF Activity Duration Predecessors Early Start Early Finish Critical Late Start   Late Finish Slack 1 1 Select vendor 1 None 0 1 Yes 0 1 0 2 2 Hire Finance module consultant 4 1 1 5 Yes 1 5 0 3 3 Hire Materials Mgmt consultant 4 1 1 5 Yes 1 5 0 4 4 Develop internal team 10 None 0 10 23 33 23 5 5 Select hardware system 3 2,3 5 8 Yes 5 8 0 6 6 Implement hardware system 8 5 8 16 Yes 8 16 0 7 7 Develop Finance interfaces 8 6 16 24 21 29 5 8 8 Install Finance module 3 6 16 19 26 29 10 9 9 Test Finance module 2 7,8 24 26 29 31 5 10 10 Put Finance module on-line 0 9 26 26 31 31 5 11 11 Develop Materials Mgmt interfaces 15 6 16 31 Yes 16 31 0 12 12 Install Materials Mgmt module 6 10,11 31 37 Yes 31 37 0 13 13 Test Materials Mgmt module 3 12 37 40 Yes 37 40 0 14 14 Put Materials Mgmt module on-line 0 13 40 40 Yes 40 40 0 15 15 Develop Finance user training 5 4,7 24 29 35 40 11 16 16 Develop Materials Mgmt user training 7 4,11 31 38 33 40 2

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