Robert's salary was decreased by 40% and subsequently increased by 40%. how much percentage does he lose?  Choose the correct choice from the following options:	A) 16 %	B) 20 %	C) 25 %	D) 30 %	E) 50 %

Rationale: "let original salary be $ 100 salary after decreasing 40 % = 100 - 100 x 40 / 100 = $ 60 salary after increasing 40 % on $ 60 = 60 + 60 x 40 / 100 = $ 84 percentage of loss = 100 - 84 = 16 % answer : a"
Answer: A