## [answered] A project has the activity duration and cost information in

1. A project has the activity duration and cost information indicated in the table where all times are in weeks.

 Activity Predecessor Normal Time Normal Cost Crashed Time Crash Cost A -- 8 \$12,000 5 \$21,000 B A 12 \$20,000 9 \$30,000 C A 15 \$24,000 10 \$60,000 D B 3 \$10,000 2 \$15,000 E C 9 \$17,000 6 \$34,000 F E 7 \$5,000 6 \$6,000 G D 8 \$14,000 6 \$20,000 H A 12 \$22,000 10 \$30,000 I H 6 \$50,000 5 \$55,000 J F,G,I 11 \$33,000 9 \$50,000

a. Draw a network diagram and find the critical path, ES, EF, LS, LF, and slack.

b. There is a penalty of \$7,000 per week for every week the project extends beyond 39 weeks. What is the lowest total cost for completing this project?

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This question was answered on: Sep 18, 2020

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