Task: Question Answering
Input (English): Problem: a retailer buys a radio for rs 225 . his overhead expenses are rs 20 . he sellis the radio for rs 300 . the profit percent of the retailer is 
Options: a ) 22.4 % , b ) 50 % , c ) 25 % , d ) 52 % , e ) none of these
Output (English): a