Pajak per Line vs Pajak per Doc

item 1 = 10.15
pajak 10% = 1.015
dibulatkan = 1.02

item 2 = 10.45
pajak 10% = 1.045
dibulatkan = 1.05

total pajak = 2.07 (per Line)
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kalau per Doc
item1+item2 = 10.15+10.45=20.60
pajak 10% = 2.06

total pajak = 2.06 (per Doc)
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