A certain sum amounts to Rs. 10,257 in \(3\frac{1}{2}\) years and to Rs. 11,310 in 5 years, at the same rate per cent per annum at simple interest. What is the simple interest on a sum of Rs. 8,400 for \(4\frac{2}{3}\) years at the same rate of interest?
1
Rs. 3,136
2
Rs. 3,332
3
RS. 3,920
4
Rs. 3,528