Q.  At 156 narendra modi sells Rs.5000, 12 % stock and at 90, uinvests the proceeds parity in 8 % stock  and 9 % stock at 108. He hereby increases his income by Rs. 70. How much of the proceeds were invested in each stock?

1. 3600(8%), 4200(9%)
2. 4000(8%), 4200(9%)
3. 3600(8%), 4000(9%)
4. 4000(8%), 4000(9%)