The price of any currency in international market is decided by the

1. World Bank
2. demand for goods/services provided by the country concerned
3. stability of the government of the concerned country
4. economic potential of the country in question

Which of the statements given above are correct?

(a) 1, 2, 3 and 4

(b) 2 and 3 only

(c) 3 and 4 only

(d) 1 and 4 only