Task: Question Answering
Input (English): Problem: in a shop , the profit is 320 % of the cost . if the cost increases by 25 % but the selling price remains constant , approximately what percentage of the selling price is the profit ? 
Options: a ) 70 % , b ) 50 % , c ) 100 % , d ) 60 % , e ) 55 %
Output (English): a