The true discount on a bill of Rs. 2460 is Rs. 360. What is the banker's discount?	Choose the correct choice from the following choices.
A) rs . 432  B) rs . 422  C) rs . 412  D) rs . 442  E) none of these

Rationale: "explanation : f = rs . 2460 td = rs . 360 pw = f - td = 2460 - 360 = rs . 2100 true discount is the simple interest on the present value for unexpired time = > simple interest on rs . 2100 for unexpired time = rs . 360 banker ' s discount is the simple interest on the face value of the bill for unexpired time = simple interest on rs . 2460 for unexpired time = 360 / 2100 × 2460 = 0.17 × 2460 = rs . 422 answer : option b"
Answer: B