Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Main assumptions for economic calculations
| Parameter | Value |
|---|---|
| Internal rate of return after tax and above inflation | 10% |
| NPV duration | 20 years |
| Tax rate | 34% |
| Tax-deductible linear depreciation for capital cost | 10 years |
| Plant scrap value | None |
| Payment of total project investment ahead of start-up | 12 months |
| Working capital (% of turnover) | 20% |
| Financing | 100% equity |
| Currency basis | 2010 US$ |
