ok Refer to the individual rate schedules in Appendix C. Required: a. What are the tax liability, the marginal tax rate, and the average tax rate for a married couple filing jointly with $52,900 taxable income? b. What are the tax liability, the marginal tax rate, and the average tax rate for a single individual with $198,200 taxable income? c. What are the tax liability, the marginal tax rate, and the average tax rate for a head of household with $447,300 taxable income? Complete this question by entering your answers in the tabs below. int Required A Required B Required C rences What are the tax liability, the marginal tax rate, and the average tax rate for a married couple filing jointly with $52,900 taxable income? Note: Round "Average tax rate" to 2 decimal places. Tax liability Marginal tax rate % Average tax rate % Required A Required B >