To to SETUP | TAX CONFIGURATION Use the Tax Configuration area to set up and customize your taxes. Go set up the taxes that you want to automatically apply to the Room Rent,
Set-up your tax rates: In this section, you will choose your currency and enter the applicable taxes related to your accommodation cost in the two Tax Fields provided. Additional taxes for accommodation cost or extras as a % or flat rate, including tax on tax, or tax+, can also be added later.
First, determine whether or not you need the tax rate function by choosing Yes or No.
Then, enter the tax rate as a percentage, i.e.. 15%