4aee9fb5____Magento_extension_developer__Description
[Option] Calculate Handling Fee [Values] Fixed Percent [Description] 
Select Fixed if you want the Handling Fee value to be added to the Price. Select Percent if you want the Handling Fee value to be added to the Price as a percentage of the total shipping price (Price).
Magento Shipping Methods And Multi-Warehouse | InnoExts - Magento extension developer
Description