How to create an invoice with adding additional cess to product on mobile?

Step 1: Go the “Invoice” and Add the “Customer”.

Step 2: Add the “Product”.

Step 3: Click on “Edit.”

Step 4: Enter the “Quantity” and click on “+ Additional Cess”.
Next, click on “Continue”.

Step 5: Click on “Continue”.

Step 6: Click on “Create”.