The simple interest on a certain sum at 12% per annum for 3 years is Rs. 4140. What is the compound interest on the same sum at 8% for two years?

The simple interest on a certain sum at 12% per annum for 3 years is R

1.	The simple interest on a certain sum at 12% per annum for 3 years is Rs. 4140. What is the compound interest on the same sum at 8% for two years?
A.	Rs. 1913.60
B.	Rs. 1886.50
C.	Rs. 1840
D.	Rs. 2012.40
Answer» B. Rs. 1886.50