A man sells Rs. 5000, 12% stock at 156 and invests the proceeds partly in 8 % stock at 90 and 9 % stock at 108. He thereby increase his income by Rs. 70. How much of the proceeds were invested in ea

• A. Rs. 4200
• B. Rs. 4250
• C. Rs. 4300
• D. Rs. 4350