hi there sir, please take a look with this problem.
the total amount of VATable sales is 4838.5, the VAT in the system is 518.43, but when we check the result in manual computation (Calculator) it is 518.41. so there is a .02 decimal discrepancy.
here attached the file for your reference.
Manager calculates VAT amount per each line item, then rounding it up.
What you are doing is taking the total for all line items and calculate VAT amount on that.
0.02 is rounding difference between those two calculation methods.
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