If the price of a TV is first decreased by 20% and then increased by 30%, then the net change in the price will be :
Choose the correct choice from the following choices:	A) 4 % increase	B) 10 % increase	C) 10 % decrease	D) 6 % increase	E) none of these

Rationale: explanation : solution : let the original price be rs . 100 . new final price = 130 % of ( 80 % of 100 ) = rs . 130 / 100 * 80 / 100 * 100 = rs . 104 . . ' . increase = 4 % answer : a
Answer: A