1. Tap the menu icon. 

  2. Tap on Settings. 

  3. Tap on Tax Type. 

  4. Select whether you want invoices to have No Tax, Single Tax, Two Taxes, or Compound Tax. 

  5. View Tax Information to understand how these taxes are calculated. 

  6. Tap on Tax. 

  7. Enter in a tax percentage and optionally an abbreviation for your tax. 

  8. If you have selected Two Taxes or Compound Tax, tap on Tax 2 and repeat the above step.