If A lends Rs.2000 to B at 10% per annum and B lends the same sum to C at 11.5% per annum then the gain of B in a period of 3 years is?
Select:
A) 90
B) 122.5
C) 132.5
D) 114.5
E) 212.5

Rationale: "( 2000 * 1.5 * 3 ) / 100 = > 90 answer : a"
Answer: A