Three persons A, B and C enter into a partnership to run a business. They invested their capitals in the ratio $\frac{4}{3}:\frac{5}{2}:\frac{6}{5}.$ After 5 months B increases his share by 40%. If the total profit at the end of a year is ₹50,550, then A's share in the profit is :

₹8,000 ₹10,000 ₹20,000 ₹12,000

₹12,000