We'll create fresh WordPress site with WooCommerce Additional Fee installed. You have 20 minutes to test the plugin after that site we'll be deleted.
This plugin lets you add additional fee to your checkout page. Add any addtional charges like – handling charge with ease. Install the plugin and enter your extra charge amount and name of the fee.
With the above features you can handle different cart scenarios and apply fee(s) according to that.
For any further query you can always raise a ticket in support forum