What is the normal price of an article sold at $72 after two successive discounts of 10% and 20%? Options:
A) $ 92	B) $ 96	C) $ 100	D) $ 104	E) $ 108

Rationale: 0.8 * 0.9 * cost price = $ 72 cost price = $ 100 the answer is c .
Answer: C