'A' and 'B' started a business with initial investments in the ratio 4:7. After six months, 'C' joined the business with an investment of Rs. 4,000. At the end of the year, the profit shares of 'A' and 'C' were in the ratio of 2:1, and 'B's profit was Rs. 3,000 more than 'C's profit. What was the total profit earned from the business at the end of the year?