...
The Last Closing Value will show you the opening stock value, so the last recorded simple stocktake for this purchasing category.
Click on Submit.
How do I edit a Simple Stocktake?
To edit a stocktake go to the week the stocktake was recorded on and click on the required stocktake. Make the required changes and click on Submit. You won't be able to edit it if the data has been exported or the week is closed.