hi i need help answering those questions. can I please get help step-by-step

3. You earn a salary of $105,000 from your current employer and have taxable income of $80,000. You have gotten a job offer from a rival company, offering to pay you $120,000. Using the tax brackets in Table 6.1 and assuming all else stays the same, a) What will be your federal income tax obligation if you take the new job? b) What will be your new income, after taxes? c) What is you increase in after-tax income, with the new job? Table 6.1 U.S. Income Tax Brackets in 2020 (Single Filing Status) Taxable income is greater than ($) Taxable income is less than (S) Your tax rate 0 9,875 10% 9,876 40,125 12% 40,126 85,525 22% 85,526 163,300 24% 163,301 207,350 32% 207,351 518,400 35% 518,401 37%