if the price of a book is first decreased by 30% and then increased by 40%, then the net change in the price will be :	Select:
A) 10	B) 388	C) 37	D) 29	E) 2

Rationale: "explanation : let the original price be rs . 100 . decreased by 30 % = 70 then increased 40 % on rs 70 = 70 + 28 = 98 net change in price = 100 - 98 = 2 answer : e"
Answer: E