How to update your Tax settings
Add your main tax rate and set the display format for prices
Go to your Profile Icon (bottom left) > Settings
Select Tax from the menu.
On the Tax Rates tab you can +Add Tax Rate.
Enter a Name for the tax eg. Sales Tax and a Rate amount eg. 8
Click Save
On the Settings tab, you can choose a Default Tax Display from :-
Included
Excluded Hidden
Excluded Monetary (eg. + $100 Tax)
Excluded Simple (eg. + Tax)
You can also Choose how tax is displayed on prices
Enable automatic tax rate calculation (US Only)
Enable EIN validation for Tax Exemption (US Only)
Click Save.
Please watch the video below for additional reference.

