Sean Yoo is single and had $$189,000$ in taxable income. Using the rates from Table $2\mathrm{.}3$ in the chapter, calculate his income taxes.

a$.$ What is the average tax rate?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

b$.$ What is the marginal tax rate?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to the nearest whole number, e$.$g$.,$

a$.$ Average tax rate

b$.$ Marginal tax rate

Table $2\mathrm{.}3$ Personal Tax Rates for $2023($Unmarried Individuals$)$

$\backslash$table$[[$Taxable Income,Tax Rate$],[$$$0-11,000,10\%$