Hello, here are 15 tax research questions, who can help?

1. What is the title of Internal Revenue Code 1? 2. What is the tax base per IRC 1? (In other words, per 1, what constitutes the "item" to be subjected to the tax rate schedule?) 3. What is the current highest marginal tax rate under IRC 1? 4. What is the title of Internal Revenue Code 11? 5. What is the tax base per IRC 11? (In other words,per 11, what constitute the "items" to be included in the tax base?) 6. What is the current highest marginal tax rate unde IRC 11? 7. What is the title of Internal Revenue Code 641? 8. What is the tax base per IRC 641? (In other words, per 641, what constitutes the "items" to be included in the tax base?) 9. What is the current highest marginal tax rate under IRC 641? 10. What is the title of Internal Revenue Regulation 1.1-2? 11. What is the highest marginal tax rate under IRR 1.1-2 for tax years ending before 1/1/1971? 12. What is the title of Internal Revenue Regulation 1.11- 1? 13. According to IRR 1-11.1 (b), what does the tax imposed by section 11 consist of? 14. What is the title of Internal Revenue Regulation 1.641(a)-2? 15. According to IRR 1.641 (a)-2, how is the gross income of an estate or trust determined (be brief)