The Shopkeeper increased the price of a product by 20% so that customer finds it difficult to purchase the required amount. But somehow the customer managed to purchase only 70% of the required amount. What is the net difference in the expenditure on that product?	Pick:
A) A)12.5%  B) B)13%  C) C)13.15%  D) D)12%  E) E)15%
Quantity X Rate = Price   1 x 1 = 1   0.7 x 1.20 = 0.84   12%ecrease in price = (0.12/1) × 100 = 12%   12%)
<result>D</result>
The Shopkeeper increased the price of a product by 20% so that customer finds it difficult to purchase the required amount. But somehow the customer managed to purchase only 70% of the required amount. What is the net difference in the expenditure on that product?