What sum of money will produce Rs.80 as simple interest in 4 years at 3 1/2 percent?	Pick one:  A) 263  B) 571.4  C) 367  D) 368  E) 339

Rationale: "80 = ( p * 4 * 7 / 2 ) / 100 p = 571.4 answer : b"
Answer: B