The cost price of a radio is Rs.1340 and it was sold for Rs.1210, find the loss %?	Choose the most appropriate option:  A) 18%  B) 9%  C) 22%  D) 24%  E) 21
1340 ---- 130   100 ---- ? =&gt; 9%   Answer:9%
<result>B</result>
The cost price of a radio is Rs.1340 and it was sold for Rs.1210, find the loss %?