RBI Assistant Prelims 2015 Sitting 1 Paper

A started a business with an investment of Rs. 28,000. After 5 months from the start of the business, B and C joined with Rs. 24,000 and Rs. 32,000 respectively and A withdrew Rs 8000 from the business. If the difference between A's share and B's share in the annual profit is Rs. 2,400, what was the annual profit received?