You can account for the newly created products from your inventory in an Income Account. QuickBooks Online uses income accounts to categorize the cash in flow of your company. The balance in the appropriate income account appreciates by the value of the product(s) sold each time a new invoice or sales receipt is created.
Select the account from the drop-down menu for accounting New Inventory Enabled products.
Note: This account is only used while creating new Products. You can freely change the Income Account manually. After creation, the Product accounts cannot be updated.