Consider the following statements regarding polymer banknotes in India:
1.The RBI plans to initially introduce polymer banknotes in the ?10 and ?20 denominations, which have a higher velocity of circulation.
2.The RBI intends to test polymer banknotes for their suitability under Indian climatic and circulation conditions before their wider introduction.
3.The initial trial of polymer banknotes will involve notes having a total value of ?3,000 crore.
4.Australia was the first country to issue polymer banknotes, in 1988.
How many of the above statements are Correct ?