Amal and Bimal started a business. Amal invested Rs. 500 for 9 months and Bimal invested some money for 6 months. If they make a profit of Rs. 69 in a year and Bimal gets profit share of Rs. 46, the capital of Bimal in the business is -
(a) Rs. 1500, (b) Rs. 3000, (c) Rs. 4500, (d) Rs. 6000