X, Y, Z started a business by investing 4,000, 8,000 and 10,000. 'X' withdraws from the business after 6 months and "Z" withdraws after 9 months. At the end of the year the profit is 1,80,000. What is the share of X, Y, Z in the profit respectively ?
Rs.60,000, 20,000, Rs. 1,00,000 respectively
Rs.20,000, 60,000, Rs. 1,00,000 respectively
Rs.20,000, 60,000, Rs. 80,000 respectively
None of the above