A and B invest in a business in a ratio 3 : 2. If 30% of total profit goes to charity and A investment for 18 months and B investment for 15 months. If A 's profit is Rs. 1800 then find the profit of B.
1
Rs. 1000
2
Rs. 1200
3
Rs. 1400
4
Rs. 1800
5
None of these