Task: Question Answering
Input (English): Problem: a shopkeeper sells 20 % of his stock at 25 % profit ans sells the remaining at a loss of 5 % . he incurred an overall profit of rs . 400 . find the total worth of the stock ? 
Options: a ) 25500 , b ) 25000 , c ) 40500 , d ) 20000 , e ) 40000
Output (English): e