P, Q and R enter into a partnership. P advances one-fourth of the capital for one-fourth of the time. Q contributes one-fifth of the capital for half of the time. Rcontributes the remaining capital for the whole time. How should they divide a profit of Rs. 1140? 1. Rs. 80, Rs. 180, Rs. 880 2. Rs. 100, Rs. 880, Rs. 60 3. Rs. 120, Rs. 200, Rs. 820 4. Rs. 100, Rs. 160, Rs. 880 None of these 5.