A invested some money in 8% stock at 96.If B wants to invest in an equally good 10% stock ,he must purchase a stock worth of :	Choose the correct choice from the following choices:
A) rs . 120
B) rs . 60
C) rs . 128
D) rs . 130
E) rs . 140

Rationale: "solution for an income of rs . 8 , investment = rs . 96 . for an income of rs . 10 , investment = rs . ( 96 / 8 x 10 ) = rs . 120 answer a"
Answer: A