If you're using our BigCommerce sales channel integration, you may have seen the following option within the channel settings:

BigCommerce supports all three of these values, and we can use any one in order to supply value to the products within your orders.

Base Value is the value of the products that you sell;

Price (ex Tax) is the sale price without duties;

Price (inc Tax) is the total sale price that your customers pay (without shipping charges).