Reduce completion time of the project by three weeks

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Reference no: EM131727138

Consider a project having the following ten activities:

Normal Normal Crash Crash Maximum

Immediate Time Cost Time Cost Weeks

Activity Predecessors (weeks) ($) (weeks) ($) Reduced

A none 7 3,000 6 6,000 1

B A 8 5,000 6 9,000 2

C A 2 2,000 1 3,000 1

D A 4 3,000 4 3,000 0

E B, C 9 4,000 7 6,000 2

F C, D 6 4,000 4 9,000 2

G E 2 3,000 2 3,000 0

H E, F 9 4,000 7 7,000 2

I G 1 4,000 1 4,000 0

J H, I 8 2,000 6 7,000 2

Please show the work on how to get the solutions

(a) What is the expected project completion time?

(b) What is the critical path?

(c) What is the most economical way and how much will it cost to reduce the completion time of the project by three weeks? By five weeks?

Reference no: EM131727138

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