Match the items of List-I with List-II with regard to balance of payments equilibrium:

List-I	List-II
a. Exchange control	1. Exporters surrender foreign exchange to the central bank
b. Trade Policy Measure	2. Bank rate raised by the central bank
c. Expenditure reducing policy	3. Reduction in foreign exchange rate
d. Expenditure switching policy	4. Enhancing exports by granting subsidies