To change a purchase price for an item, proceed as follows:
1. Open the "Articles" module.
2. Search for the article. Note: If you have created an article yourself, you will find it under the "Own articles" tab.
3. Click on the article to open the article detail page.
4. Click on the "Edit" button.
5. Enter the price on the right hand side at "EK of stock".
6. Click on "Save".