A person A starts a business with an investmentof ₹ 1,00,000. After two months B joins with him with an investment of ₹ 1,20,000. After eight months C joins them with some investment. f the profit at the end of the year is shared equally, then the investment(in rupees) made by C is:

A

5,00,000

B

4,00,000

C

4,50,000

D

3,00,000