Question: The table below contains information about an environmental clean-up project in the township of Hiles. Shorten the project three weeks by finding the minimum-cost schedule.
The table below contains information about an environmental clean-up project in the township of Hiles. Shorten the project three weeks by finding the minimum-cost schedule. Assume that project indirect costs and penalty costs are negligible. Identify activities to crash while minimizing the additional crash costs.
| Activity | Normal Time (weeks) | Crash Time (weeks) | Cost to Crash ($ per week) | Immediate Predecessor(s) |
| A | 5 | 4 | 250 | None |
| B | 10 | 9 | 200 | None |
| C | 8 | 7 | 270 | A |
| D | 7 | 4 | 350 | A |
| E | 3 | 3 | B | |
| F | 1 | 1 | C, D | |
| G | 5 | 3 | 250 | D, E |
| H | 8 | 7 | 450 | F |
| I | 1 | 1 | G |
Part 2
Fill in the table below with the activity times after crashing to show the resulting schedule. (Enter your responses as whole numbers.)
| Activity | Time according to schedule (weeks) | Activity | Time according to schedule (weeks) |
| A | enter your response here | F | enter your response here |
| B | enter your response here | G | enter your response here |
| C | enter your response here | H | enter your response here |
| D | enter your response here | I | enter your response here |
| E | enter your response here |
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