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Other costs.
| Other Costs | Unit | Concept I | Concept II | Concept III | Concept IV |
|---|---|---|---|---|---|
| Operators | 2 | 1 | 3 | 5 | |
| Salary | (USD·a−1) | 65,000 | 65,000 | 65,000 | 65,000 |
| Indirect costs a | (%) | 40% | 40% | 40% | 40% |
| Maintenance b | (%) | 2.5% | 2.5% | 2.5% | 2.5% |
| Depreciation time | (a) | 15 | 15 | 15 | 15 |
| Other indirect b | (%) | 1.0% | 1.0% | 1.0% | 1.0% |
| Logistics | (USD·t−1·km−1) | 0.1 | 0.1 | 0.1 | 0.1 |
| Distance | (km) | 100 | 100 | 100 | 100 |
a % of salary; b % of the original investment.
