A chair is bought for Rs.200/- and sold at Rs.340/- find gain or loss percentage	Choose the correct choice from the following answers.
A) 70% loss	B) 20% gain	C) 25% gain	D) 30% gain	E) 35% gain
Formula = (Selling price ~ Cost price)/Cost price * 100   = (340 - 200)/200 = 70% gain   70% loss
<result>A</result>
A chair is bought for Rs.200/- and sold at Rs.340/- find gain or loss percentage