Tax Single filers rate Married filing separately Head of household 10% Up to $8.925 15% Up to $36.250 25% Up to $87,850 28% Up to $183.250 33% Up to $398,350 35% Up to $400,000 Married filing jointly or qualifying widow/widower Up to $17.850 Up to $72,500 Up to $146,400 Up to $223.030 Up to $398,350 Up to $450,000 Up to $8,925 Up to $36,250 Up to 573,200 Up to S111,525 Up to $199,175 Up to $225,000 Up to $12.750 Up to $48,600 $48,601 - $125.450 Up to $203,150 Up to $398,350 Up to $425,000 Standard deduction S6,100 Standard deduction $12,200 Standard deduction S6,100 Standard deduction $8.950 Exemption (per person) $3.900 Exemption (per person) $3,900 Exemption (per person) $3.900 Exemption (per person) $3.900 Use the information in the table above to find the federal income tax for the following situations. Please show your work. 16) a married couple (filing jointly) with a taxable income of $68.000 17) a single person with wages of $67,000, itemized deductions of $12,000 and a personal exemption 18) a married couple (filing jointly, no children), taxable income of $140,000 and a tax credit of $3000. 19) A married couple, filing jointly, has a taxable income of $92.200. They contribute $1,000 to a tax-exempt IRA. How much does this reduce their federal income tax