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b. Identify the critical path. The critical path is -Select- C. What is the total project completion time? Round your answer to the nearest whole number. weeks d. What is the lowest cost solution if the state wants to complete the project three weeks early? Round your answer for the project duration to the nearest whole number and the answer for the total cost to the nearest dollar. The total cost of a(an) -week project-completion schedule is $

b. Identify the critical path. The critical path is -Select- C. What is the total project completion time? Round your answer to the nearest whole number. weeks d. What is the lowest cost solution if the state wants to complete the project three weeks early? Round your answer for the project duration to the nearest whole number and the answer for the total cost to the nearest dollar. The total cost of a(an) -week project-completion schedule is $

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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**Project Crash Analysis for Environment Recycling, Inc.** Environment Recycling, Inc. must clean up a large automobile tire dump under a state environmental cleanup contract. Suppose that some of the activities in the Environment Recycling, Inc. project can be crashed. The table below shows the crash times and costs associated with performing the activities at their original (normal) times and also for the crash times (all times are in weeks). | Activity | Predecessor(s) | Normal Time | Crash Time | Normal Cost | Crash Cost | |----------|----------------|-------------|------------|-------------|------------| | A | — | 5 | 4 | $430 | $780 | | B | A | 8 | 6 | 1,950 | 2,350 | | C | A | 7 | 6 | 900 | 1,200 | | D | — | 6 | 5 | 620 | 1,020 | | E | B, C, D | 8 | 5 | 1,900 | 2,400 | | F | D | 3 | 2 | 900 | 1,100 | | G | D | 3 | 2 | 500 | 650 | | H | E | 4 | 3 | 580 | 780 | | I | F, G, H | 6 | 5 | 850 | 1,250 | **Explanation:** - **Normal Time**: The original time planned to complete each activity. - **Crash Time**: The reduced time to complete each activity when additional resources are applied. - **Normal Cost**: The cost associated with completing an activity in the normal time. - **Crash Cost**: The increased cost when an activity is expedited to be completed in the crash time. The table provides essential data for project managers to consider the financial and time implications of accelerating project activities. This allows for strategic decision-making to minimize the project timeline while managing increased costs.
Transcribed Image Text:**Project Crash Analysis for Environment Recycling, Inc.** Environment Recycling, Inc. must clean up a large automobile tire dump under a state environmental cleanup contract. Suppose that some of the activities in the Environment Recycling, Inc. project can be crashed. The table below shows the crash times and costs associated with performing the activities at their original (normal) times and also for the crash times (all times are in weeks). | Activity | Predecessor(s) | Normal Time | Crash Time | Normal Cost | Crash Cost | |----------|----------------|-------------|------------|-------------|------------| | A | — | 5 | 4 | $430 | $780 | | B | A | 8 | 6 | 1,950 | 2,350 | | C | A | 7 | 6 | 900 | 1,200 | | D | — | 6 | 5 | 620 | 1,020 | | E | B, C, D | 8 | 5 | 1,900 | 2,400 | | F | D | 3 | 2 | 900 | 1,100 | | G | D | 3 | 2 | 500 | 650 | | H | E | 4 | 3 | 580 | 780 | | I | F, G, H | 6 | 5 | 850 | 1,250 | **Explanation:** - **Normal Time**: The original time planned to complete each activity. - **Crash Time**: The reduced time to complete each activity when additional resources are applied. - **Normal Cost**: The cost associated with completing an activity in the normal time. - **Crash Cost**: The increased cost when an activity is expedited to be completed in the crash time. The table provides essential data for project managers to consider the financial and time implications of accelerating project activities. This allows for strategic decision-making to minimize the project timeline while managing increased costs.
The content displayed in the image involves questions related to project management. Below is the transcription suitable for an educational website: --- **Project Management Exercise** b. Identify the critical path. - **The critical path is** [Dropdown Selection]. c. What is the total project completion time? Round your answer to the nearest whole number. - **[Text Box]** weeks d. What is the lowest cost solution if the state wants to complete the project three weeks early? Round your answer for the project duration to the nearest whole number and the answer for the total cost to the nearest dollar. - **The total cost of a(an) [Text Box] -week project-completion schedule is $ [Text Box].** --- This exercise guides the learners in calculating and understanding essential elements in project management through identifying the critical path, determining project duration, and estimating costs for project acceleration.
Transcribed Image Text:The content displayed in the image involves questions related to project management. Below is the transcription suitable for an educational website: --- **Project Management Exercise** b. Identify the critical path. - **The critical path is** [Dropdown Selection]. c. What is the total project completion time? Round your answer to the nearest whole number. - **[Text Box]** weeks d. What is the lowest cost solution if the state wants to complete the project three weeks early? Round your answer for the project duration to the nearest whole number and the answer for the total cost to the nearest dollar. - **The total cost of a(an) [Text Box] -week project-completion schedule is $ [Text Box].** --- This exercise guides the learners in calculating and understanding essential elements in project management through identifying the critical path, determining project duration, and estimating costs for project acceleration.
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