Joseph L. Smith (age 45, Social Security number 145-26-9210) and Rita M. Smith (age 43, Social Security number 142-46-5108) are husband and wife. They live at 1650 Belmont Avenue, Chicago, IL 60615. David is a self-employed CPA and Rita is a third grade teacher. They have two children: Blake (age 5, Social Security number 310-51- 2108) and Amelia (age 3, Social Security number 314-62-8924). In 2018, Joseph earned $182,000 and Rita earned $46,000. The Smith family has medical coverage through the school system for which Rita works. As an employee, Rita had $9,500 of federal tax withheld, $2,300 of IL state tax withheld, and the required Social Security and Medicare taxes. Joseph has an office with business expenses for 2018 as follows: Item Amount Office Rent $24,000 Office Supplies $8,000 Internet Charges $1,2000 Phone System Charges $4,800 Advertising Expenses $1,800 Postage Charges $1,500 Audit/Tax Software Charges $20,000 Business Gifts $400