A sum of Rs. 12,000 amounts to Rs. 20,736 in \(1\frac{1}{2}\) years at a certain rate per annum on compound interest, compounded half yearly. What will be the compound interest (in Rs.) of the same sum in 2 years at the same rate on compound interest. If the interest is compounded annually?
1
12,510
2
11,250
3
15,210
4
11,520