Task: Question Answering
Input (English): Problem: suresh started a business , investing rs . 18000 . after 3 months and 4 months respectively , rohan and sudhir joined him with capitals of 12000 and 9000 . at the end of the year the total profit was rs . 3960 . what is the difference between rohan ’ s and sudhir ’ s share in the profit ? 
Options: a ) s . 345 , b ) s . 350 , c ) s . 352 , d ) s . 360 , e ) s . 368
Output (English): d