Which statement is true about untracked inventory items?

The statement that untracked inventory items do not require tracking of quantities or values is true. Untracked inventory items in Xero are intended for businesses that do not need to monitor stock levels and instead treat these items more like a service.

By not tracking quantities or values, businesses can simplify their accounting processes, especially for items that are not physical goods or where inventory management is unnecessary. This makes it easier to record sales without the need for detailed tracking that is typically associated with tracked inventory items.

In terms of the other choices, while the ability to calculate total sales is a function of the sales data entered, this is not related specifically to untracked inventory. Untracked items can include various types of items, not limited to products, and they are generally designed to be simpler to manage than tracked items, as tracking introduces a layer of complexity.