A started the business with the investment of Rs. 36000. B and C joined him with some investments after 3 and 6 months. The profit is divided in the ratio of 2 ∶ 3 ∶ 5 at the end of the year. Find the difference between the investment made by B and C in the business?
1
Rs. 72000
2
Rs. 90000
3
Rs. 81000
4
Rs. 120000
5
Rs. 108000