When the price of an article was reduced by 30% its sale increased by 80%. What was the net effect on the sale?  Choose the correct choice from the following choices
A) 26 % increase	B) 44 % decrease	C) 60 % increase	D) 66 % increase	E) 66 % decrease

Rationale: "if n items are sold for $ p each , revenue is $ np . if we reduce the price by 30 % , the new price is 0.7 p . if we increase the number sold by 80 % , the new number sold is 1.8 n . so the new revenue is ( 0.7 p ) ( 1.8 n ) = 1.26 np , which is 1.26 times the old revenue , so is 26 % greater . answer : a"
Answer: A