Brock, age 50, and Erin, age 49, are married with three dependent children. They file a joint return for 2022. Their income from salaries totals $50,000, and they received $8,000 in taxable interest, $5,000 in royalties, and $3,000 in other ordinary income. Brock and Erin’s deductions for adjusted gross income amount to $2,500, and they have itemized deductions totaling $27,000. Calculate the following amounts:

a. Gross income

b. Adjusted gross income

c. Itemized deduction or standard deduction amount

d. Taxable income

e. Income tax liability (Do not consider the alternative minimum tax covered in Chapter 6 or any credits.)