Use subtotal_tax instead of adding taxes ourselves #373
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Fixes #372
It seems like when we add product and discount taxes ourselves, we get 5.16 + 1.375 = rounded to 6.54 (maybe we need to round differently? Like down instead of up)
get_subtotal_tax
returns 6.53, not sure if it fixes the issue completely, but I guess using it is more correct anyway than calculating ourselves.I also checked when shipping tax is present, looks like it is not included in
get_subtotal_tax
, so the same as it was before.I tried looking into the WC code about cart taxes/totals to figure out if we are doing something wrong in general, but not found anything useful so far. For rounding they seem to use the
up
mode too.