If A lends Rs.3500 to B at 10% per annum and B lends the same sum to C at 13% per annum then the gain of B in a period of 3 years is?
Select the correct option
A) 320	B) 300	C) 310	D) 315	E) 330

Rationale: "( 3500 * 3 * 3 ) / 100 = > 315 answer : d"
Answer: D