Click here to read the eBook: Income Taxes PERSONAL TAXES Susan and Stan Britton are a married couple who file a joint income tax return, where the tax rates are based on the tax table 3.5. Assume that their taxable income this year was $282,000. Round your answers to two decimal places. a. What is their federal tax liability? $ b. What is their marginal tax rate? 19% c. What is their average tax rate? % Table 3.5 2015 Individual Tax Rates Single Individuals If Your Taxable Income Is Up to $9.225 $9,225-537,450 $37,450 $90,750 $90,750$189,750 $189,750-S411,500 S411,500-S5413,200 Over $413,200 You Pay This Amount on the Base of the Bracket $ 0 922.50 5,156.25 18,481.25 46,075.25 119,401.25 119.996.25 Plus This Percentage on the Excess over the Base (Marginal Rate) 10.0% 15.0 25.0 28.0 33.0 35.0 39.6 Average Tax Rate at Top of Bracket 10.0% 13.8 20.4 24.3 29.0 29.0 39.6 Married Couples Filing Joint Returns If Your Taxable Income Is Up to $18,450 S18,450-574,900 $74.900-5151,200 S151 200-S230,450 S230 450-$411,500 5411 500-5464,850 Over $464,850 You Pay This Amount on the Base of the Bracket 0 1.845.00 10,312.50 29.387.50 51.577.50 111.324.00 129.996,50 Plus This Percentage on the Excess over the Base (Marginal Rate) 10.0% 15.0 25.0 28.0 33.0 35.0 39.6 Average Tax Rate at Top of Bracket 10.0% 13.8 19.4 22.4 27.1 28.0 30.6