If you want your service prices to take into account taxes, follow these steps.
First, configure the appropriate taxes and their associated rates:
Go to the "My Business" tab > “Business Details”
Under the “Taxes” section, check the “Enable Tax Calculation” box and enter your tax information.
Click "Save"
Then, configure tax settings for each of your services:
Go to the "Services" tab
Select a service
Click "Service Details"
In the pricing section (Tax field), select an option:
None
Including tax
Excluding tax
Your service prices will reflect the option chosen.