Sarita started a boutique investing an amount of Rs. 50,000. Six months later Neeta joined her with an amount of Rs.80,000. At the end of one year they earned a profit of Rs.18, 000. What is Sarita’s share in the profit?
(a) Rs.9,000 (b) Rs. 8,000 (c) Rs.12,000 (d) Rs. 10,000 (e) None of these