Alan and Sara Winthrop are a married couple who file a joint income tax return. They have two children, and they have legitimate itemized deductions totaling $25,750. Their total income from wages is $251,400. Assume the following tax table is applicable: Married couples Filing Joint Returns If Your Taxable You Pay This Amount on Plus This Percentage on the Average Tax Rate at Income Is the Base of the Bracket Excess over the Base Top of Bracket Up to $19,050 $0.00 10.0% 10.0% $19,050- 1,905.00 12.0 11.5 $77,400 $77,400- 8,907.00 22.0 17.1 $165,000 $165,000- 28,179.00 24.0 20.4 $315,000 $315,000- 64,179.00 32.0 22.8 $400,000 $400,000 91,379.00 35.0 26.9 $600,000 Over 161,379.00 37.0 37.0 $600,000 What is their marginal tax rate? Ca. 32.0% b. 12.0% c. 24.0% d. 35.0% e. 10.0%