If the Inventory module has been activated you will need to link suppliers that provide you with your stock to a supplier group which is linked to Inventory withdrawal.
This enables you to raise purchase orders and create the warehouse receipts which will update your product list.
To enable this box, click on the Warehouse tab of the supplier group. Selecting this item enables the following properties:
Account for transport costs, is the income statement that you want to use for transport costs when accounting for a purchase invoice (eg ancillary expenses on purchases).
Account for amount discounts, it is the income statement that you want to use for the amount discount when accounting for a purchase invoice (eg Discounts and rebates on purchases of goods).
Account for other expenses, etc., is the income statement that you want to use for transport costs when accounting for a purchase invoice (eg ancillary expenses on purchases).
Assign to products indicates that when a purchase invoice is posted, the cost of expenses must be distributed in the income statements associated with the product groups to which the products contained in it belong.
Counterpart - supplier markup, is the income statement that you want to use for the% markup indicated in the supplier when accounting for a purchase invoice (eg processing costs).
Counterpart - cost price markup, is the income statement that you want to use for the% markup indicated in the product lines when accounting for a purchase invoice (eg processing costs).