If you are in a part of the world where sales taxes are levied, the "T" on the right indicates that the item is marked as being taxable. IS4C will calculate the tax due whenever a subtotal is requested. The calculations reflects that sales tax is levied on the amount after all discounts are applied, as required by law in Minnesota.

Next we find a little bottle of oil. The label on the bottle is damaged, and the barcode is smudged. Nothing daunted, we'll scan it anyways.