Hello,
As you can see in the picture the calculation is not correct.
In this example, the subtotal is 170 with a 5% discount which is 8.5 and rounded up to 9
170 - 9 = 161 + 20 shipping should be 181 but the total is 182
[url=https://www.linkpicture.com/view.php?img=LPic6491c0800c65b134202307][/url]