Task: Question Answering
Input (English): Problem: the percentage profit earned by selling an article for rs . 1720 is equal to the percentage loss incurred by selling the same article for rs . 1280 . at what price should the article be sold to make 25 % profit ? 
Options: a ) 3000 , b ) 1230 , c ) 1875 , d ) 5600 , e ) 3400
Output (English): c