How to Enable Tax Per Service Type:
https://workdrive.zohopublic.com/embed/jf6ls729575221ef343cc9d377b450190bca9?toolbar=false
Select “Products/Items” then select “Taxes”
Enable “Tax Per ServiceType”
As Shown: In the “Value” column you will see you can change the percent per service type.
To customize these numbers, Select the “Pencil Icon”
Here you can update the tax percentages per service type.
When complete scroll down and select “Update”