if the price of a book is first decreased by 20% and then increased by 20%, then the net change in the price will be :	Pick:	A) 10	B) 388	C) 4	D) 29	E) 22
Explanation:   Let the original price be Rs. 100.   Decreased by 20% = 80   Then increased 20% on Rs 80 = 80 + 16= 
<gadget id="calculator">80 + 16</gadget>
<output>96</output>
96   Net change in price= 100 - 96= 
<gadget id="calculator">100 - 96</gadget>
<output>4</output>
4   Answer : 4
<result>C</result>
if the price of a book is first decreased by 20% and then increased by 20%, then the net change in the price will be :