Mukesh and Suresh started a business, contributing Rs.6,000 and Rs.2,000 respectively. After 6 months, Suresh contributed an additional sum of Rs.5,000. The profit at the end of the year was Rs.1,400. Then, Suresh's share of the profit would be 1. Rs.600 2. Rs.800 3. Rs.700 4. Rs.1,050