i need help woth parts b-d

they are all wrong

Using Table 3.6; calculate the marginal and average tax rates for a single taxpayer with the following incomes: (Do not round intermediate calculations. Round your answers to 1 decimal place.) TABLE 3.6 Personal tax rates, 2022 . Using Table 3.6; calculate the marginal and average tax rates for a single taxpayer with the following incomes: (Do not round intermediate calculations. Round your answers to 1 decimal place.) TABLE 3.6 Personal tax rates, 2022