A sum of Rs. 6,400 amounts to Rs. 8,848 in \(4\frac{1}{2}\) years at a certain rate per annum at simple interest. What will be the amount (in Rs.) of a sum of Rs. 9,000 in \(2\frac{2}{5}\) years at the same rate at simple interest?
1
10,646
2
10,764
3
10,836
4
10,863