How much more would Rs.40000 fetch, after two years, if it is put at 20% p.a. compound interest payable half yearly than if is put at 20% p.a. compound interest payable yearly?	Answers.
A) 482	B) 725	C) 964	D) 837	E) 923

Rationale: "40000 ( 11 / 10 ) 4 - 40000 ( 6 / 5 ) 2 = 964 answer : c"
Answer: C