Three partners P, Q and R invested their amounts in ratio 2 : 5 : 7. At the end of six months P added some more amount such that his investment becomes equal to half of the sum of initial investment of 'Q' and 'R'. If at the end of the year, Q's share in profit is Rs 425, then find the total profit.

• A. Rs. 1250
• B. Rs. 1450
• C. Rs. 1050
• D. Rs. 1840
• E. Rs. 1360