Three partners A, B and C shared the profit in a business in the ratio 3 : 5 : 7 and their investment time period ratio is 4 : 3 : 2. If they all invested ₹14,20,000. Then amount invested by B is :

₹4,00,000 ₹1,80,000 ₹8,40,000 ₹9,60,000

₹4,00,000