Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?  Choose the correct choice from the following answers:
A) Rs.81000 B) Rs.80000 C) Rs.75000 D) Rs.64000 E) Rs.68000
64000* 9/8 * 9/8= 
<gadget id="calculator">64000* 9/8 * 9/8</gadget>
<output>81_000</output>
81000   Rs.81000NSWER:Rs.81000
<result>A</result>
Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?