You may notice differences between calculations by QuickBooks and printed
wage bracket taxes. QuickBooks uses the more accurate percentage method and tax
tables that are annualized (rather than weekly, biweekly, or monthly) to
calculate its figures.
Small discrepancies of less than $1.00 for any single state or local tax, and up to $6.00 for federal tax, are acceptable. Both methods are correct and acceptable to the agency. Show me an example