Dear Learner, Can you find the solution to the question? A,BC | Unacademy Defence Shaurya

Dear Learner,
Can you find the solution to the question?
A,BC enter into partnership and their capitals are into the proportion 1/3:1/4:1/5, a withdraws half his capital after 4 months. Out of a total annual profit of Rs 8470, A's share is:
1. Rs 2520
2. Rs 2800
3. Rs 3150
4. Rs 4120
If you're not able to find the answer to this question, then check out the solution on Ask a Doubt
https://unacademy.onelink.me/HrwS/w1lrwcms