A and B entered into a partnership with certain investments. At the end of 8 months, A withdrew and collected back his money. A and B received profit in the ratio 5 ∶ 9 at the end of the year. If B had invested Rs. 36,000, then how much (in Rs.) had A invested?
1
36,000
2
30,000
3
25,000
4
20,000