A 4% stock yield 5%. The market value of the stock is ?  Choose the correct answer:	A) rs . 125	B) rs . 80	C) rs . 99	D) rs . 109	E) rs . 101

Rationale: "for an income of rs . 5 , investment = rs . 100 for an income of rs . 4 , investment = rs . ( 100 / 5 ) x 4 = rs . 80 answer : b"
Answer: B