The ship is the main economic unit in the economic activity of transport of passengers and goods by sea. With regard to the economics of the ship or the economic side, the exploitation of the ship as a means of transport represents the most important part of the economy of shipbuilding, and thus also the basis of shipping economics as a particularly important branch in the wider scope of transport or transportation in general. In shipping economics, the general rule is that the ship is bigger it is more economical. Exactly by exploiting the ship and the ship's capacity, income is called the fare. Freight is the price of transport services and revenue in ship operations. Factors affecting the formation of freight are mostly influenced by market factors. Since freight is an integral part of each contract concluded, it is necessary to fulfill the obligation to pay because they specifically cover the specific legal rules, criteria and conditions under which the manipulation and transportation of items is determined or cost in all types and modalities of maritime navigation.