The bankers discount of a certain sum of money is Rs. 576 and the true discount on the same sum for the same time is Rs. 480. The sum due is:	Choose the correct option.
A) 2880  B) 2870  C) 2860  D) 2850  E) 2840

Rationale: "sum = ( b . d * t . d ) / ( b . d - t . d ) ( 576 * 480 ) / 576 - 480 ; 2880 answer : a"
Answer: A