A and B start a business by investing equal amounts. Four months later, C joins them by investing Rs. 3.5 lakh. By withdrawing his investment in the business, B leaves the business 4 months after C joins. 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?