3 persons 'P', 'Q', 'R' entered into a business with a total capital of Rs. 3,75,000. 'P' invests Rs 30.000 more than 'Q' and 'Q' invests Rs 30,000 more than 'R'. The investment of 'R' in rupees is

A

30,000

B

40.000

C

95.000

D

50.000