If the sales tax reduced from 3 1/2 % to 3 1/3%, then what difference does it make to a person who purchases an article with market price of Rs. 10800 ?	Choose the correct choice from the following answers.
A) 11	B) 13	C) 14	D) 18	E) 10
Required difference = [3 ½ % of Rs.10800] – [3 1/3 % of Rs.10800]   = [(7/20-(10/3)]% of Rs.10800 =1/6 % of Rs.10800   = Rs. [(1/6)8(1/100)*10800] = Rs. 18.   Answer is 18.
<result>D</result>
If the sales tax reduced from 3 1/2 % to 3 1/3%, then what difference does it make to a person who purchases an article with market price of Rs. 10800 ?