Required information Problem 8-47 (LO 8-1) (Algo) [The following information applies to the questions displayed below.] Whitney received $76,700 of taxable income in 2021. 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.) Problem 8-47 Part b (Algo) b. She files a joint tax return with her spouse. Together their taxable income is $76,700. Income tax liability