Project Management

5. (20 points) Consider the following project network: Cost Slope 15 10 20 25 30 -- 25 4 D 13 15 H 22 15 22 Key: 4 C 10 10 F 15 ES EF Start 5 End 10 10 15 LS LF O B 9 10 E 14 14 G 17 Bold => Critical 15 19 19 22 a. What is the total duration (days) of the project? b. What is the cost of crashing activity E by 1 day? c. How does crashing activity D by 2 days affect the overall duration of the project? d. If we want to reduce the overall duration of the project by 2 days, what is the least costly way to do it? How much will it affect the overall cost of the project