The list price of an article is Rs.68. A customer pays Rs.56.16 for it. He was given two successive discounts, one of them being 10%. The other discount is?
Options
A) 3.23 %
B) 4.23 %
C) 5.23 %
D) 7.23 %
E) 8.23 %

Rationale: "68 * ( 90 / 100 ) * ( ( 100 - x ) / 100 ) = 56.16 x = 8.23 % answer : e"
Answer: E