Question: This question from operation research i need solution with show all steps plz plz write all steps in solution i need solve for all questions

This question from operation research

i need solution with show all steps plz

plz write all steps in solution

i need solve for all questions

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A Company wants to execute a project within 95 weeks. This project includes 10 activities (labeled A, B, ...,J), where their precedence relationships are shown in the following table: Activity Predecessor Activity Normal Crash Time(weeks) Time(weeks) 32 28 Normal Cost (in million $) Crash Cost (in million $) A 160 180 B 28 25 146 125 170 C A 36 31 210 D B 16 13 60 72 E B 32 27 135 160 F B 54 47 215 257 G D 17 15 90 96 H 17 120 E,G E,G F,C 20 34 132 226 I 30 190 J 18 16 80 84 a) Draw the project network according to the previous table. (b)Find all possible paths and the corresponding lengths to finish the project. (c) Which is the critical path and what is its length? (d) Determine the least expensive way to crash activities to reduce overall duration to 95 weeks using Marginal cost analysis

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