You can view changes to product costs and prices in your catalog, along with details about the user or supplier who made them. This can help you resolve pricing issues quickly.
To see the price and cost change history of a product:
1/ Go to "Catalog > My Products" in the left navigation menu.
2/ Click a product to see its Details view.
3/ Click the "Activity" tab.
Here, you will see all price and cost changes along with the timestamp, user, and value change.

