If the price of a TV is first decreased by 10% and then increased by 30%, then the net change in the price will be :	Answers:
A) 4 % increase
B) 17 % 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 ( 10 % of 100 ) = rs . 130 / 100 * 90 / 100 * 100 = rs . 117 . . ' . increase = 17 % answer : b"
Answer: B