Whitney received $67,500 of taxable income in 2020. All of the income was salary from her employer. What is her income tax liability in each of the following alternative situations? Use Tax Rate Schedule for reference. (Do not round intermediate calculations.) 2020 Tax Rate Schedules a. She files under the single filing status. Individuals Schedule X-Single If taxable income is over: But not over: S 0 $ 9,875 $ 9,875 $ 40,125 $ 40,125 $ 85,525 $ 85,525 $163,300 $163,300 $207,350 $207,350 $518.400 $518.400 The tax is: 10% of taxable income $987.50 plus 12% of the excess over $9.875 $4.617.50 plus 22% of the excess over $40.125 $14,605.50 plus 24% of the excess over $85,525 $33,271.50 plus 32% of the excess over $163,300 $47,367.50 plus 35% of the excess over $207,350 $156,235 plus 37% of the excess over $518,400 Income tax liability b. She files a joint tax return with her spouse. Schedule Y-1-Married Filing Jointly or Qualifying Widow(er) If taxable income is over: But not over: The tax is: S 0 $ 19.750 10% of taxable income $ 19,750 $ 80,250 $1,975 plus 12% of the excess over $19.750 $ 80,250 $171,050 $9.235 plus 22% of the excess over $80,250 $171,050 $326,600 $29,211 plus 24% of the excess over $171,050 $326,600 $414,700 S66,543 plus 32% of the excess over $326,600 $414,700 $622,050 $94,735 plus 35% of the excess over $414,700 $622,050 $167,307.50 plus 37% of the excess over $622,050 Together their taxable income is $67,500. Income tax liability Schedule Z-Head of Household If taxable income is over: But not over: The tax is: $ 0 $ 14,100 10% of taxable income $ 14,100 $ 53,700 $1,410 plus 12% of the excess over $14,100 $ 53,700 $ 85,500 $6.162 plus 22% of the excess over $53,700 $ 85,500 $163.300 $13,158 plus 24% of the excess over $85,500 $163,300 $207,350 $31,830 plus 32% of the excess over $163,300 $207,350 $518,400 $45,926 plus 35% of the excess over $207,350 $518,400 $154.793.50 plus 37% of the excess over $518,400 c. She is married but files a separate tax return. Her taxable income is $67,500. Income tax liability d. She files as a head of household. Schedule Y-2-Married Filing Separately If taxable income is over: But not over: The tax is: S 0 $ 9,875 10% of taxable income $ 9,875 $ 40,125 $987.50 plus 12% of the excess over $9.875 $ 40,125 $ 85,525 $4.617.50 plus 22% of the excess over $40.125 $ 85,525 $163,300 $14,605.50 plus 24% of the excess over $85,525 $163.300 $207,350 $33,271.50 plus 32% of the excess over $163,300 $207,350 $311,025 $47,367.50 plus 35% of the excess over $207,350 $311,025 $83,653.75 plus 37% of the excess over $311,025 Income tax liability