Certain states require certain products to be charged a sales tax. Jasmine provides the ability to configure a sales tax rate and the products to apply the rate to.
Configuring Sales Tax Rate
In the setup menu, search for "Custom Settings" or go to Build->Develop->Custom Settings
Click on Custom Settings
Click on Manage next to Receipt Config
Edit the Sales Tax Rate
Apply Sales Tax to a Product
Go to a product and check the Add Sales Tax checkbox