Can you help with the income taxes cases for individuals? I want to know if the forms should be completed separately and what corresponds to each one. Also, if the mortgage payment is divided into separate cases. Finally, the dependents to whom they correspond according to the cases.

Income tax return for individuals:

Case 1.1

Taxpayer Jos Vega is a store manager and earns $ 48,000 a year. He is married and the father of three children: all under the age of 15 and are not university students. The taxpayer's driver's license, which he presents as identification to fill out the return, is number NYC-4785212

Case 1.2

His wife, Lucy Viera, works as a Walmart cashier and earns $ 18,500 - Currently in high school, she had to pay $ 2,000 for tuition at her university.

Additional information:

1. Jos obtained an individual retirement account (IRA) and another for his spouse of $ 5,000 each.
2. They paid $ 20,000 for mortgage interest.