A, B, C invest Rs. 20000, Rs. 30000, Rs. 40000 in a business. After one year, A withdrew his money but B and C continued for one more year. If the net profit after 2 years be Rs. 32000, then A’s share in the profit is:
1
Rs. 6000
2
Rs. 4000
3
Rs. 8000
4
Rs. 5000