Insert the correct prepositions: (1) Offers usually state the terms ... which the goods are to be paid.
(2) They also state the prices ... which the goods are offered
(3) Terms ... payment mean the currency, time ... payment, mode ...
payment and many details.
(4) Very often the goods are paid ... a banker's transfer.
(5) Very often sellers prefer payment ... a letter of credit.
(6) We often pay ... collection.
