At a certain sum of money with the interest rate of 6% per annum for 4 years. the simple interest is Rs. 4500. Find the compound interest (compounding annually) of 2 years at the same sum when the rate of interest is 4% per annum,
1
Rs. 1,530
2
Rs. 1,430
3
Rs. 1,830
4
Rs. 1,560