What is the normal price of an article sold at $36 after two successive discounts of 10% and 20%? Select the correct option.
A) $ 45	B) $ 48	C) $ 50	D) $ 54	E) $ 56

Rationale: "0.8 * 0.9 * cost price = $ 36 cost price = $ 50 the answer is c ."
Answer: C