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

A

10,646

B

10,764

C

10,836

D

10,863