I need help solving a thru d, please!!!

Review the list of taxable income amounts below: Requirement Based on the amounts of taxable income provided, compute the federal income Click the icon to view the taxable income amounts.) tax payable in 2016 on each amount assuming the taxpayers are married filing a joint return. Also, each amount of taxable income, compute the average tax rate and the marginal tax rate. E Click the icon to view the tax rate schedule.) Begin by computing the amounts for scenario a. and then scenarios b., c., and d. (Do not round intermediary calculations. Only round the amount you input in the federal income tax payable cell to the nearest cent, $X.XX. Round all tax rates to the nearest hundredth percent, X.XX%.) Scenario a. Federal income tax payable 3572.5 Average tax rate 11.91 Marginal tax rate