If you have access to the Cost Adjustments screen in Back-office, you can change the last, average and standard cost of multiple products at the same time.
STEPS:
1. In Advantage Back-office, click the left sidebar menu.
2. Click on the Products menu.
3. Open the Cost Adjustments screen.
4.
| To fetch only specific products, please select one or more filters from the product filter options: | To fetch ALL products, DO NOT select any filters from the product filter options: |
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5. Click on the Fetch button.
The products will be displayed in the grid:

6. Enter/change the last, average and/or standard cost for all/some of the products in the grid:

A pencil icon will appear in front of each product where the last, average, and/or standard cost has been changed:

7. Ensure that the Accounting Period is correct:

8. Press "Tab" on your keyboard.
9. Click on the save button in the navigation bar:

