Timmy Tappan is single and had $187,500 in taxable income. Use the rates from Table 23. a. Calculate his income taxes. (Do not round intermediote colculotions and round your onswer to the nearest whole number, e.g., 32.) b. What is the average tax rate? (Do not round intermediate colculations ond enter your answer as o percent rounded to 2 decimal ploces, e.g., 32.16.) c. What is the marginal tax rate? (Do not round intermediate calculations ond enter your answer as a percent rounded to the neorest whole number, e.g. 32.) Table 2.3 Personal Tax Rates for 2021 (Unmarried Individuals)