Task: Question Answering
Input (English): Problem: a retailer sold 2 houses at each $ 10000 . on 1 st house he got 30 % profit and on 2 nd house he loss 10 % then find his net profit or loss ? 
Options: a ) 15 % , b ) 17 % , c ) 21 % , d ) 19 % , e ) 25 %
Output (English): b