A and B started a business investing Rs. 3.5 lakhs and Rs. 6.5 lakhs respectively. After 6 months A left the business while C joined B with an investment of Rs. 7.5 lakhs in the year end profit of Rs. 2.4 lakhs. the share of C (in lakhs of Rs) is

A

0.35

B

0.45

C

0.55

D

0.75