10.Rajesh started a business investing Rs. 70,000. Gowtham joined him after six months with an amount of Rs.. 1,05,000 and KarthiK joined them with Rs. 1.4 lakhs after another six months. The amount of profit earned should be distributed in what ratio among Rajesh, Gowtham and Karthik respectively, 3 years after Aman started the business?
A. 12 : 15 : 16
B. Cannot be determined
C. 42 : 45 : 56
D. 7 : 6 : 10