In each scenario, what is the marginal tax rate?

1. Consider the 2020 information for a single taxpayer without children: Wage Income Tax free intertest income Medical expenses paid State income taxes paid Local property taxes paid Mortgage Interest paid Charitbale contributions Situation A 105,000 2,200 450 3,800 4,000 5,100 2,900 Situation B 85,000 2,200 7,950 3,800 0 0 480