Calculating actual freight charges makes a difference when choosing alternatives there are many consideration when determining accurate costing and until the shipment has been delivered to the customer one cannot assume that the cost will remain the same as the initial costing what other charges could be in cured if the shipping container is not written in a timely manner to the steamship line option one loading and unloading option to processing through docs and wharfs option three transfer to and from terminals and option four is demurrage