Task: Question Answering
Input (English): Problem: a man sells a car to his friend at 10 % loss . if the friend sells it for rs . 54000 and gains 20 % , the original c . p . of the car was : 
Options: a ) rs . 25000 , b ) rs . 37500 , c ) rs . 50000 , d ) rs . 60000 , e ) none of these
Output (English): c