A sum of ₹10500 amounts to ₹12705 in 2 years at $$x$$ % p.a., when the interest is compounded annually. The same sum will amount (in ₹) to what at 2 $$x$$ % p.a . in $$1\frac{1}{2}$$ years, when interest compounded half yearly?

A

11297

B

17395.75

C

13975.50

D

19753.25