A starts a business with the investment of Rs.10,000. After 4 months, B invests Rs. 20,000 and A also doubles his investment. If after one year, the total profit is Rs.45000, then find the share of A in the total profit.
1
Rs. 25,000
2
Rs. 20,000
3
Rs. 30,000
4
Rs. 15,000
5
Rs. 23,000