Alan and Sara Winthrop are a married couple who file a joint income tax return. They have two children, so they claim a total of 4 exemptions ($4,050 for each exemption). In addition, they have legitimate itemized deductions totaling $25,750. Their total income from wages is $213,500. Assume the following tax table is applicable: Married couples Filing Joint Returns Average Tax Rate at Top of Bracket 10.0% 13.8 You Pay This Plus This Percentage on If Your Taxable Amount on the Base the Excess over the Income Is of the Bracket Base Up to $18,650 $0.00 10.0% $18,650-$75,900 1,865.00 15.0 $75,900-$153,100 10,452.50 25.0 $153,100-$233,350 29,752.50 28.0 $233,350-$416,700 52,222.50 33.0 $416,700-$470,700 112,728.00 35.0 Over $470,700 131,628.00 39.6 What is their federal tax liability? 19.4 22.4 27.1 28.0 39.6 a. $31,077.50 b. $33,522.25 C. $36,664.00 O d. $34,918.50 e. $38,760.50