Timmy Tappan is single and had$$$$198,000$ in taxable income. Use the rates from Table $2\mathrm{.}3.$

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a$.$

Calculate his$$income taxes. $($Do not round intermediate calculations and round your answer to the nearest whole number, e$.$g$.,32.)$

b$.$What is the average tax rate? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$c$.$What is the marginal tax rate? $($Do not round intermediate calculations and enter your answer as a percent rounded to the nearest whole number, e$.$g$.,32.)$

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