In 2021, Madden, who is single, has adjusted gross income of $145,200, uses the standard deduction of $12,550, and has $132,650 of taxable income. Compute the following for Madden. a. Federal income tax liability using the appropriate Tax Rate Schedule. 31,836 X Feedback Check My Work Incorrect b. Statutory tax rate(s). 10 %, 12 %, 22 % and 24 % Feedback Check My Work Correct c. Marginal tax rate. 24 % Feedback Check My Work Correct d. Average tax rate. 19.53 X % Check My Work All work saved. Email Instructor Save an 42F Mostly cloudy