[The following information applies to the questions displayed below.] Lacy is a single taxpayer. In 2021, her taxable income is $43,000. 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.) Award: 1.44 points a. All of her income is salary from her employer. Tax liability b. Her $43,000 of taxable income includes $2,000 of qualified dividends. Tax liability c. Her $43,000 of taxable income includes $6,000 of qualified dividends. Tax liability