Three friends A, B and C started a business by investing in the ratio of 1/2 ∶ 1/3 ∶ 1/4. At the end of the year, they earned a profit of Rs. 10,400, which is 10% of the total investment. How much did B invest?
1
Rs. 32000
2
Rs. 36000
3
Rs. 30000
4
Rs. 35000