Task: Question Answering
Input (English): Problem: sandy buys an old scooter for $ 800 and spends $ 200 on its repairs . if sandy sells the scooter for $ 1200 , what is the gain percent ? 
Options: a ) 15 % , b ) 18 % , c ) 20 % , d ) 22 % , e ) 25 %
Output (English): c