Consider the question. Find the amount on Rs.8000 in 9 months at 20% per annum, if the interest being compounded quarterly?
Options:
(A) 9261
(B) 1261
(C) 9621
(D) 9162
(E) 5000
 If the answer is '(A)'; explain the reasoning:
A = 8000(21/20)3 = 9261