Task: Question Answering
Input (English): Question: A and B invests Rs.3000 and Rs.4000 respectively in a business. If A doubles his capital after 6 months. In what ratio should A and B divide that year's profit?

 Option A: 8:8

 Option B: 9:8

 Option C: 9:9

 Option D: 9:5

 Option E: 9:1
Output (English): Option B