【多选题】The liner is characterized as follows, they are ( ).
A.
fixed route, fixed calling ports, fixed shipping and arriving date and relatively fixed freight
B.
The shipper is responsible for both loading and unloading of the goods
C.
The freight includes both loading and unloading charges
D.
The freight has to be paid in advance in any case
E.
There is no demurrage or dispatch clauses
F.
The exemption of rights, obligations and responsibilities of both parties is based on the relevant provisions of the bill of lading issued by the shipping company
G.
The freight can be paid by 50% in advance and 50% at the port of destination
H.
The shipping company is responsible for both loading and unloading of the goods
【单选题】A sum of money paid by the Shipowner to Charterer for completing loading or discharging a cargo in less time than that stipulated in Charter Party as laydays.It is().