The allowance headers in your stock take can be either updated directly from a waste or product monitor or be manually updated directly within the outlet summary tab of the stock take.
The below steps outline updating this manually within the outlet summary tab of the stock take:
Click the Admin Cogs along the top bar.
Click Advanced Stock, then click Stock Taking.
Locate the stock take and click the Edit to access.
Click the Outlet Summary tab.
Locate the allowance section in the report.
Update the fields with a monetary value and click Save.