A, B and C started a business by investing some amount in the ratio of \(\frac{7}{2} : \frac{4}{3} : \frac{6}{5}.\) After 4 months, A increases his share by 50 %. If the total profit at the end of one year is Rs. 18,900 , then C's share in the profit is -

• A. Rs. 3,150
• B. Rs. 3,500
• C. Rs. 6,300
• D. Rs. 12,250