For management, money received by Anil = 10% of 9000 = ₹ 900
Balance = ₹ (9000 - 900) = ₹ 8100
Now, ratio of investments =12000 : 20000 = 3 : 5
∴ Anil's share = ₹ 8100 x 3/(3 + 5)
= ₹ 8100 x 3/8 = ₹ 3037.50
∴ Amount received by Anil = ₹ 900 + 3037.50
= ₹ 3937.50