Find compound interest on $ 8000 at 15% per annum for 2 years 4 months, compounded annually.  Choose the correct choice from the following.
A) 3109 B) 3209 C) 3108 D) 3107 E) 3100
Time = 2 years 4 months = 2(4/12) years = 2(1/3) years.   Amount = $ [8000 X (1+­(15/100))2 X (1+((1/3)*15)/100)]   =$ [8000 * (23/20) * (23/20) * (21/20)= 
<gadget id="calculator">8000 * (23/20) * (23/20) * (21/20)</gadget>
<output>11_109</output>
$ 11109.	.   :. C.I.= Rs. (11109 - 8000) = $ 3109.   3109nswer 3109.
<result>A</result>
Find compound interest on $ 8000 at 15% per annum for 2 years 4 months, compounded annually.