Question: Need some assistance with this question, please show work if applicable. Thank you! A project is comprised of five tasks. The precedence relationships and crash

Need some assistance with this question, please show work if applicable. Thank you!

Need some assistance with this question, please

A project is comprised of five tasks. The precedence relationships and crash information are given in the following table. Activity Crash time (days) A B Immediate predecessors N/A N/A B, C Normal time (days) 3 6 4 6 8 Normal cost (thousand $SS) 50 60 40 40 70 3 2 2 3 Crash cost (thousand SSS) 90 90 100 100 120 D E If you need to shorten the project completion time by four days in total, how much is the total minimum crash cost (in SSS)

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