Indu gave Bindu Rs.3125 on compound interest for 2 years at 4% per annum. How much loss would Indu has suffered had she given it to Bindu for 2 years at 4% per annum simple interest?
Choose the most appropriate option:	A) s . 10	B) s . 2	C) s . 5	D) s . 3	E) s . 4

Rationale: "3125 = d ( 100 / 4 ) 2 d = 5 answer : c"
Answer: C