Introduction

Calculations and rounding

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.

NameAmountTax RateTax (before rounding)Tax (after rounding)Totals
Line item 145.305%2.2652.27
Line item 233.4510%3.3453.35
Total Tax Amounts5.62
Total78.7584.37
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