'P' , 'Q' and 'R' started a business. The capital of 'P' is four-fifth of the capitals of 'Q' and 'R' together and the capital of 'Q' is one third of the capital of 'P' and 'R' together. Then the share (in Rs.) of R in their earned profit of Rs. 1,08,000 is

A

33,000

B

30,000

C

32,000

D

36,000