While calculating tax total and the subtotal on an invoice, each individual line amount is rounded to 2 decimal places then summed to get the tax total.
The method used to round is to round half up.
|Name||Amount||Tax Rate||Tax (before rounding)||Tax (after rounding)||Totals|
|Line item 1||45.30||5%||2.265||2.27|
|Line item 2||33.45||10%||3.345||3.35|
|Total Tax Amounts||5.62|