A and B start a business by investing equal amounts. Four months later, C joins them by investing Rs 3.5 lakhs. By withdrawing his investment in the business B leaves the business 4 months after C joined. At the end of the year the business makes Rs 62,400 profit out of which A collects Rs 24,000 as his share of profit. How much should be paid to C (in Rs) as his share of profit?