Task: Question Answering
Input (English): Problem: a started a business with an investment of rs . 70000 and after 6 months b joined him investing rs . 100000 . if the profit at the end of a year is rs . 108000 , then the share of b is ? 
Options: a ) 40000 , b ) 50000 , c ) 70000 , d ) 60000 , e ) 80000
Output (English): e