A sum of money became Rs. 2,700 in two years. If the simple interest offered per annum was 2% more, the amount would have become Rs. 2,800 during the same period. Find the originals sum and the rate of simple interest offered every year.
1
Rs. 5,000; 2%
2
Rs. 2,500; 8%
3
Rs. 2,500;4%
4
Rs. 5.000;4%