Mehedi started 'a business on the first day of 2008. Lubaba joined the business of Mehedi on partnership contract with double investment of Mehedi on July 1 of 2008. Rakibul, on the first day of September 2008, joined the partnership business of Mehedi and Lubaba with thrice the investment of Mehedi. The firm earned a profit of Tk. 72,000 on 31" December, 2008. What will be the share of profit of Rakibul?
