The following are statements about the world's energy crisis during 1970's

1. The OPEC raised the price of oil from $1.5 to $7 per barrel in 1973.

2. The price shot-up to $24 by 1979.

3. India experienced complete disruption of imports, but no inflation.

4. The Iranian Revolution in 1979 added to the disruption of oil supplies.

Select the correct answer from the codes given below