please show your work. I am struggling to get the right answer.

Required Information [The following information applies to the questions displayed below.] In 2021. Sheryl is claimed as a dependent on her parents' tax return. Her parents report taxable income of $500,000 (married filing jointly). Sheryl did not provide more than half her own support. What is Sheryl's tax liability for the year in each of the following alternative circumstances? Use Tax Rate Schedule, Dividends and Capital Gains Tax Rates for reference. (Leave no answer blank. Enter zero If applicable.) c. She received $7.000 of interest income from corporate bonds she received several years ago. This is her only source of income. She is 20 years old at year-end and is a full-time student. Answer is complete but not entirely correct. Tax liability S 1,140 X Schedule Y-1-Married Filing Jointly or Qualifying Widow(er) If taxable income is But not The tax is: over: over: $ 0 $ 19,900 10% of taxable income $ 19,900 $ 81,050 $1,990 plus 12% of the excess over $19,900 $ 81,050 $ 172,713 $9,328 plus 22% of the excess over $81,050 $ 172,750 $ 329,850 $29,502 plus 24% of the excess over $172,750 S 329,850 S 418,850 $67,206 plus 32% of the excess over $329,850 $ 418,850 S 628,300 $95,686 plus 35% of the excess over $418,850 $168.993.50 plus 37% of the excess over S 628,300 $628,300 Tax Rates for Net Capital Gains and Qualified Dividends Rate 0% 15% Married Filing Jointly 50 - $80.800 580,801 - $501,600 S501.601- Married Filing Separately SO - $40,400 $40.401 - $250.800 S250.801- Taxable Income Single 50 - $40,400 $40,401 - $445,850 5445,851- Head of Household $0-$54.100 $54,101 - 5473,750 $479,751- Trusts and Estates SO - $2,700 $2,701 - 513,250 $13,251-- 20% *This rate applies to the per capital gain and qualified dividends that fall within the range of faxale Inscome specified in the table et capltal gains and qualified des