The American Payroll Association (APA) estimates that automation reduces payroll processing costs by as much as 80 percent, much of that from reducing errors in invoices and paychecks. A 2009 ...

The automated payroll system uses payroll software to compute all wages. Payroll software, such as QuickBooks, PenSoft, Z-Pay, Ultipro and Sage Peachtree calculate gross-to-net earnings based on ...