Complete the correlation:
1. Bills of exchange : Credit money : : Feathers : __________
2. Primary function of money : Medium of exchange : : __________ : Deferred payment.
3. Commodity money : Metals, Rice : : __________ : Credit card.
4. Standard coins : Gold, silver : : __________ : Cheap metal.
5. India : Rupees : : __________ : Dollar.
