A sum of ₹8,400 is divided between A and B such that A's share at the end of 2 years is equal to B's share at the end of $$2\frac{2}{3}$$ years at 15% p.a., interest compounded 8-monthly. What is A's share (in ₹) in the given sum?

A

4,450

B

4,400

C

4,550

D

4,500