The sentences given in each question, when properly sequenced, from a coherent paragraph. Each sentence is labeled with a letter; choose the most logical over of sentences from among the given choices to construct a coherent paragraph

A

Payment for imports and exports is made through a system called foreign exchange. The value of the money of one country in relation to the money of other countries is agreed upon.

B

The rates of exchange vary from time to time

C

for example, an American dollar or a British pound sterling is worth certain amounts in the money of other countries

D

Sometimes a US dollar is worth 60 rupees in India.