Lacy is a single taxpayer. In 2021, her taxable income is $42,400. What is her tax liability in each of the following alternative situations? Use Tax Rate Schedule, Dividends and Capital Gains Tax Rates for reference. (Do not round intermediate calculations. Round your answer to 2 decimal places.)

a. All of her income is salary from her employer.

Tax Liability : ____________

b. Her $42,400 of taxable income includes $1,400 of qualified dividends.

Tax Liability : ____________

c. Her $42,400 of taxable income includes $5,400 of qualified dividends.

Tax Liability : ____________

Tax Rates for Net Capital Gains and Qualified Dividends Taxable Income Rate* Head of Household Trusts and Estates Married Filing Jointly $0 - $80,800 Single $0 - $40,400 0% - $0-$54,100 Married Filing Separately $0 - $40,400 $40,401 - $250,800 $250,801+ 15% $80,801 - $501,600 $501,601+ $40,401 - $445,850 $445,851+ $54,101 - $473,750 $473,751+ $0 - $2,700 $2,701 - $13,250 $13,251+ 20% 2021 Tax Rate Schedules Individuals Schedule X-Single If taxable income is over: But not over: $ 0 $ 9,950 $ 9,950 $ 40,525 $ 40,525 $ 86,375 $ 86,375 $ 164,925 $ 164,925 $ 209,425 $ 209,425 $ 523,600 $ 523,600 The tax is: 10% of taxable income $995 plus 12% of the excess over $9,950 $4,664 plus 22% of the excess over $40,525 $14,751 plus 24% of the excess over $86,375 $33,603 plus 32% of the excess over $164,925 $47,843 plus 35% of the excess over $209,425 $157,804.25 plus 37% of the excess over $523,600 Schedule Y-1-Married Filing Jointly or Qualifying Widow(er) If taxable income is over: But not over: The tax is: $ 0 $ 19,900 10% of taxable income $ 19,900 $ 81,050 $1,990 plus 12% of the excess over $19,900 $ 81,050 $ 172,750 $9,328 plus 22% of the excess over $81,050 $ 172,750 $ 329,850 $29,502 plus 24% of the excess over $172,750 $ 329,850 $ 418,850 $67,206 plus 32% of the excess over $329,850 $ 418,850 $ 628,300 $95,686 plus 35% of the excess over $418,850 $ 628,300 $168,993.50 plus 37% of the excess over $628,300 The tax is: Schedule Z-Head of Household If taxable income is over: But not over: $ 0 $ 14,200 $ 14,200 $ 54,200 $ 54,200 $ 86,350 $ 86,350 $ 164,900 $ 164,900 $ 209,400 $ 209,400 $ 523,600 $ 523,600 10% of taxable income $1,420 plus 12% of the excess over $14,200 $6,220 plus 22% of the excess over $54,200 $13,293 plus 24% of the excess over $86,350 $32,145 plus 32% of the excess over $164,900 $46,385 plus 35% of the excess over $209,400 $156,355 plus 37% of the excess over $523,600 Schedule Y-2-Married Filing Separately If taxable income is over:But not over: The tax is: $ 0 $ 9,950 10% of taxable income $ 9,950 $ 40,525 $995 plus 12% of the excess over $ 9,950 $ 40,525 $ 86,375 $4,664 plus 22% of the excess over $40,525 $ 86,375 $ 164,925 $14,751 plus 24% of the excess over $86,375 $ 164,925 $ 209,425 $33,603 plus 32% of the excess over $164,925 $ 209,425 $ 314,150 $47,843 plus 35% of the excess over $209,425 $ 314,150 $84,496.75 plus 37% of the excess over $314,150