A man two flats for $675958 each. On one he gains 16% while on the other he loses 16%. How much does he gain or lose in the whole transaction?
Choose one.
A) 2 %	B) 2.56 %	C) 3.12 %	D) 4.65 %	E) 5.12 %

Rationale: "in such a case there is always a loss loss % = ( 16 / 10 ) ^ 2 = 64 / 25 = 2.56 % answer is b"
Answer: B