We are looking to assign freight costs by product. Due to the volume of freight invoices we receive and incomplete references to POs from the freight companies, it's very time consuming to assign as such and we do not have sufficient resources to assign. We are looking to assign freight to products on a percentage basis instead (Indirect cost % in NAV). What is the best way to manage the double recording of freight through the PL (once through COGS when item is sold as assigned to inventory on a % basis & once when the freight bill is received and paid)?