The true discount on a bill of Rs. 2660 is Rs. 360. What is the banker's discount?	Choose the most appropriate option:
A) rs . 432
B) rs . 422
C) rs . 416
D) rs . 442
E) none of these

Rationale: "explanation : f = rs . 2660 td = rs . 360 pw = f - td = 2660 - 360 = rs . 2300 true discount is the simple interest on the present value for unexpired time = > simple interest on rs . 2300 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 . 2160 for unexpired time = 360 / 2300 × 2660 = 0.16 × 2660 = rs . 416 answer : option c"
Answer: C