List of detail items in the invoice This shows the all the lines entered into the invoice including comments. Canceling this window removes any editing, deletions or additions of any line item activitiy this session. Profit margin and markup include non-inventory items such as labor and freight, except for the category(s) shown as Freight in the Sales Analysis report screen. If showing on that screen, these are omitted from the profit calculations here. Sales tax is always excluded from these calculations. THe Show/Hide Profit button is tied to the Show/Hide Cost on the detail item screen. The main purpose is to prevent a customer from viewing profit or the cost of an item. The Hash Qty Total does not include any negative qtys. This can be used to verify total boxes or cases in a shipment, for example.