Required: Cameron is single and has taxable income of $93,396. Determine his tax liability using the tax tables and using the tax rate schedules. (Round your Intermediate computations and final answers to 2 decimal places.) Tax liability using Tax Tables Tax liability using Tax Rate Schedule Havel and Petra are married and will file a joint tax return. Havel has W-2 Income of $38,616, and Petra has W-2 Income of $49,410. Use the appropriate Tax Tables and Tax Rate Schedules. Required: a. What is their tax liability using the Tax Tables? b. What is their tax liability using the Tax Rate Schedule? (Round your Intermediate computations and final answer to 2 decimal places.) S 11,096.62 a b. Tax liability using Tax Tables Tax liability using Tax Rate Schedule S 10,945.72 Required: Determine the tax liability, marginal tax rate, and average tax rate in each of the following cases. Use the appropriate Tax Tables and Tax Rate Schedules. a. Married taxpayers, who file a joint return, have taxable income of $90,879. b. Married taxpayers, who file a joint return, have taxable income of $67,729. (For all requirements, use the tax tables to compute tax liability. Round "Average tax rate" to 2 decimal places.) Tax liability Marginal tax rate % % Average tax rate % a. b. %