Peter’s salary is reduced by 30% and then reduced salary is increased by 30%. Find ,how many percentage his present salary is less as compared to his previous salary?  Choose the correct choice from the following choices:
A) 6%  B) 7%  C) 8%  D) 9%  E) 10%
30*30   -------- = 9%   100   Answer: 9%
<result>D</result>
Peter’s salary is reduced by 30% and then reduced salary is increased by 30%. Find ,how many percentage his present salary is less as compared to his previous salary?