Question: A company is considering 5 projects. Each approved project will be completed over a 3-year period. Annual expenses and the final return for each project
A company is considering 5 projects. Each approved project will be completed over a 3-year period. Annual expenses and the final return for each project is shown below (in thousand dollars):
| Expenses | ||||
| Project | Year 1 | Year 2 | Year 3 | Yields |
| 1 | 5 | 1 | 8 | 20 |
| 2 | 4 | 7 | 10 | 40 |
| 3 | 3 | 9 | 2 | 20 |
| 4 | 7 | 4 | 1 | 15 |
| 5 | 8 | 6 | 10 | 30 |
The company must choose the projects with the aim of maximizing total yields. In addition, the following information is available:
Projects 3 and 5 cannot be approved together.
If neither Project 4 or 5 is selected, Projects 1 and 2 must be selected.
The companys available annual capital is $25000, but it must reduce its expenditure by $5000 in one of the 3 years (i.e., can spend up to $20000 in that year) and that particular year must be also selected to maximize profits.
What projects must be selected and in which year $5000 must be saved?
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