SOS - Estimating / Invoicing / Payroll will create quick & accurate estimates. Create / edit custom DataSources for material pricing / labor units. Transfer estimates to invoicing with time & material billing option. Keep up-to-date with accounts receivable reports. Track customer history of completed jobs & payment history. Enter / edit personnel data. Enter paychecks with automatic deductions for federal withholding, FICA & Medicare taxes. View / print monthly, quarterly, & YTD payroll reports.